diff --git a/public/java/src/org/broadinstitute/sting/gatk/walkers/genotyper/UnifiedGenotyper.java b/public/java/src/org/broadinstitute/sting/gatk/walkers/genotyper/UnifiedGenotyper.java
index 275d2d708..8d29753ee 100755
--- a/public/java/src/org/broadinstitute/sting/gatk/walkers/genotyper/UnifiedGenotyper.java
+++ b/public/java/src/org/broadinstitute/sting/gatk/walkers/genotyper/UnifiedGenotyper.java
@@ -284,7 +284,7 @@ public class UnifiedGenotyper extends LocusWalker<List<VariantCallContext>, Unif
     private static Set<VCFFormatHeaderLine> getSupportedHeaderStrings() {
         Set<VCFFormatHeaderLine> result = new HashSet<VCFFormatHeaderLine>();
         result.add(new VCFFormatHeaderLine(VCFConstants.GENOTYPE_KEY, 1, VCFHeaderLineType.String, "Genotype"));
-        result.add(new VCFFormatHeaderLine(VCFConstants.GENOTYPE_QUALITY_KEY, 1, VCFHeaderLineType.Float, "Genotype Quality"));
+        result.add(new VCFFormatHeaderLine(VCFConstants.GENOTYPE_QUALITY_KEY, 1, VCFHeaderLineType.Integer, "Genotype Quality"));
         result.add(new VCFFormatHeaderLine(VCFConstants.DEPTH_KEY, 1, VCFHeaderLineType.Integer, "Approximate read depth (reads with MQ=255 or with bad mates are filtered)"));
         result.add(new VCFFormatHeaderLine(VCFConstants.PHRED_GENOTYPE_LIKELIHOODS_KEY, VCFHeaderLineCount.G, VCFHeaderLineType.Integer, "Normalized, Phred-scaled likelihoods for genotypes as defined in the VCF specification"));
 
diff --git a/public/java/src/org/broadinstitute/sting/utils/variantcontext/Genotype.java b/public/java/src/org/broadinstitute/sting/utils/variantcontext/Genotype.java
index 2daa820d6..d7b744c4c 100755
--- a/public/java/src/org/broadinstitute/sting/utils/variantcontext/Genotype.java
+++ b/public/java/src/org/broadinstitute/sting/utils/variantcontext/Genotype.java
@@ -205,6 +205,17 @@ public class Genotype implements Comparable<Genotype> {
         return (hasAttribute(VCFConstants.PHRED_GENOTYPE_LIKELIHOODS_KEY) && !getAttribute(VCFConstants.PHRED_GENOTYPE_LIKELIHOODS_KEY).equals(VCFConstants.MISSING_VALUE_v4)) ||
                 (hasAttribute(VCFConstants.GENOTYPE_LIKELIHOODS_KEY) && !getAttribute(VCFConstants.GENOTYPE_LIKELIHOODS_KEY).equals(VCFConstants.MISSING_VALUE_v4));
     }
+
+    /**
+     * Convenience function that returns a string representation of the PL field of this
+     * genotype, or . if none is available.
+     *
+     * @return
+     */
+    public String getLikelihoodsString() {
+        GenotypeLikelihoods gl = getLikelihoods();
+        return gl == null ? VCFConstants.MISSING_VALUE_v4 : gl.toString();
+    }
     
     public GenotypeLikelihoods getLikelihoods() {
         GenotypeLikelihoods x = getLikelihoods(VCFConstants.PHRED_GENOTYPE_LIKELIHOODS_KEY, true);
diff --git a/public/java/src/org/broadinstitute/sting/utils/variantcontext/VariantJEXLContext.java b/public/java/src/org/broadinstitute/sting/utils/variantcontext/VariantJEXLContext.java
index ccce21f52..beaa6732a 100644
--- a/public/java/src/org/broadinstitute/sting/utils/variantcontext/VariantJEXLContext.java
+++ b/public/java/src/org/broadinstitute/sting/utils/variantcontext/VariantJEXLContext.java
@@ -192,7 +192,7 @@ class JEXLMap implements Map<VariantContextUtils.JexlVCMatchExp, Boolean> {
                 infoMap.put("isHomRef", g.isHomRef() ? "1" : "0");
                 infoMap.put("isHet", g.isHet() ? "1" : "0");
                 infoMap.put("isHomVar", g.isHomVar() ? "1" : "0");
-                infoMap.put(VCFConstants.GENOTYPE_QUALITY_KEY, new Double(g.getPhredScaledQual()));
+                infoMap.put(VCFConstants.GENOTYPE_QUALITY_KEY, g.getPhredScaledQual());
                 for ( Map.Entry<String, Object> e : g.getAttributes().entrySet() ) {
                     if ( e.getValue() != null && !e.getValue().equals(VCFConstants.MISSING_VALUE_v4) )
                         infoMap.put(e.getKey(), e.getValue());
diff --git a/public/java/test/org/broadinstitute/sting/BaseTest.java b/public/java/test/org/broadinstitute/sting/BaseTest.java
index 702489fe9..5977538c1 100755
--- a/public/java/test/org/broadinstitute/sting/BaseTest.java
+++ b/public/java/test/org/broadinstitute/sting/BaseTest.java
@@ -273,6 +273,11 @@ public abstract class BaseTest {
         assertEqualsDoubleSmart((double)(Double)actual, (double)expected);
     }
 
+    public static final void assertEqualsDoubleSmart(final Object actual, final Double expected, final double tolerance) {
+        Assert.assertTrue(actual instanceof Double);
+        assertEqualsDoubleSmart((double)(Double)actual, (double)expected, tolerance);
+    }
+
     public static final void assertEqualsDoubleSmart(final double actual, final double expected) {
         assertEqualsDoubleSmart(actual, expected, DEFAULT_FLOAT_TOLERANCE);
     }
diff --git a/public/java/test/org/broadinstitute/sting/MD5DB.java b/public/java/test/org/broadinstitute/sting/MD5DB.java
index 52680a078..7c47e8306 100644
--- a/public/java/test/org/broadinstitute/sting/MD5DB.java
+++ b/public/java/test/org/broadinstitute/sting/MD5DB.java
@@ -243,8 +243,8 @@ public class MD5DB {
                     System.out.printf("##### Test %s is going to fail #####%n", name);
                     String pathToExpectedMD5File = getMD5FilePath(expectedMD5, "[No DB file found]");
                     String pathToFileMD5File = getMD5FilePath(filemd5sum, "[No DB file found]");
-                    BaseTest.log(String.format("expected   %s at %s", expectedMD5, pathToExpectedMD5File));
-                    BaseTest.log(String.format("calculated %s at %s", filemd5sum, pathToFileMD5File));
+                    BaseTest.log(String.format("expected   %s", expectedMD5));
+                    BaseTest.log(String.format("calculated %s", filemd5sum));
                     BaseTest.log(String.format("diff %s %s", pathToExpectedMD5File, pathToFileMD5File));
 
                     // inline differences
diff --git a/public/java/test/org/broadinstitute/sting/WalkerTest.java b/public/java/test/org/broadinstitute/sting/WalkerTest.java
index 22db19b2f..d5f5c04f5 100755
--- a/public/java/test/org/broadinstitute/sting/WalkerTest.java
+++ b/public/java/test/org/broadinstitute/sting/WalkerTest.java
@@ -44,6 +44,7 @@ import org.testng.Assert;
 import org.testng.annotations.BeforeMethod;
 
 import java.io.File;
+import java.text.SimpleDateFormat;
 import java.util.*;
 
 public class WalkerTest extends BaseTest {
diff --git a/public/java/test/org/broadinstitute/sting/gatk/walkers/annotator/VariantAnnotatorIntegrationTest.java b/public/java/test/org/broadinstitute/sting/gatk/walkers/annotator/VariantAnnotatorIntegrationTest.java
index 16a9ae558..4d7c5ded8 100755
--- a/public/java/test/org/broadinstitute/sting/gatk/walkers/annotator/VariantAnnotatorIntegrationTest.java
+++ b/public/java/test/org/broadinstitute/sting/gatk/walkers/annotator/VariantAnnotatorIntegrationTest.java
@@ -16,7 +16,7 @@ public class VariantAnnotatorIntegrationTest extends WalkerTest {
     public void testHasAnnotsNotAsking1() {
         WalkerTestSpec spec = new WalkerTestSpec(
                 baseTestString() + " --variant:VCF3 " + testDir + "vcfexample2.vcf -I " + validationDataLocation + "low_coverage_CEU.chr1.10k-11k.bam -L 1:10,020,000-10,021,000", 1,
-                Arrays.asList("8a105fa5eebdfffe7326bc5b3d8ffd1c"));
+                Arrays.asList("5720826c2bf6cbc762e4a888ef58c3f2"));
         executeTest("test file has annotations, not asking for annotations, #1", spec);
     }
 
@@ -24,7 +24,7 @@ public class VariantAnnotatorIntegrationTest extends WalkerTest {
     public void testHasAnnotsNotAsking2() {
         WalkerTestSpec spec = new WalkerTestSpec(
                 baseTestString() + " --variant:VCF3 " + testDir + "vcfexample3.vcf -I " + validationDataLocation + "NA12878.1kg.p2.chr1_10mb_11_mb.SLX.bam -L 1:10,000,000-10,050,000", 1,
-                Arrays.asList("964f1016ec9a3c55333f62dd834c14d6"));
+                Arrays.asList("088e5db7d8de6606cd562885fa47f3b2"));
         executeTest("test file has annotations, not asking for annotations, #2", spec);
     }
 
@@ -32,7 +32,7 @@ public class VariantAnnotatorIntegrationTest extends WalkerTest {
     public void testHasAnnotsAsking1() {
         WalkerTestSpec spec = new WalkerTestSpec(
                 baseTestString() + " -G Standard --variant:VCF3 " + testDir + "vcfexample2.vcf -I " + validationDataLocation + "low_coverage_CEU.chr1.10k-11k.bam -L 1:10,020,000-10,021,000", 1,
-                Arrays.asList("21810e5b51a0431b510a8d7a73f8771b"));
+                Arrays.asList("37fd6826db907f80d4631bae1b629da4"));
         executeTest("test file has annotations, asking for annotations, #1", spec);
     }
 
@@ -40,7 +40,7 @@ public class VariantAnnotatorIntegrationTest extends WalkerTest {
     public void testHasAnnotsAsking2() {
         WalkerTestSpec spec = new WalkerTestSpec(
                 baseTestString() + " -G Standard --variant:VCF3 " + testDir + "vcfexample3.vcf -I " + validationDataLocation + "NA12878.1kg.p2.chr1_10mb_11_mb.SLX.bam -L 1:10,000,000-10,050,000", 1,
-                Arrays.asList("31263a127c606f72fb00fac69f0320a6"));
+                Arrays.asList("8a85c20b219a8bb286df3c9f4e1cdc8c"));
         executeTest("test file has annotations, asking for annotations, #2", spec);
     }
 
@@ -48,7 +48,7 @@ public class VariantAnnotatorIntegrationTest extends WalkerTest {
     public void testNoAnnotsNotAsking1() {
         WalkerTestSpec spec = new WalkerTestSpec(
                 baseTestString() + " --variant:VCF3 " + testDir + "vcfexample2empty.vcf -I " + validationDataLocation + "low_coverage_CEU.chr1.10k-11k.bam -L 1:10,020,000-10,021,000", 1,
-                Arrays.asList("42ccee09fa9f8c58f4a0d4f1139c094f"));
+                Arrays.asList("da446d3a3e9aefa7537b65b5adc3609b"));
         executeTest("test file doesn't have annotations, not asking for annotations, #1", spec);
     }
 
@@ -58,7 +58,7 @@ public class VariantAnnotatorIntegrationTest extends WalkerTest {
         // they don't get reordered.  It's a good test of the genotype ordering system.
         WalkerTestSpec spec = new WalkerTestSpec(
                 baseTestString() + " --variant:VCF3 " + testDir + "vcfexample3empty.vcf -I " + validationDataLocation + "NA12878.1kg.p2.chr1_10mb_11_mb.SLX.bam -L 1:10,000,000-10,050,000", 1,
-                Arrays.asList("f2ddfa8105c290b1f34b7a261a02a1ac"));
+                Arrays.asList("04c71d90e3df9d519160636ceb0f02b9"));
         executeTest("test file doesn't have annotations, not asking for annotations, #2", spec);
     }
 
@@ -66,7 +66,7 @@ public class VariantAnnotatorIntegrationTest extends WalkerTest {
     public void testNoAnnotsAsking1() {
         WalkerTestSpec spec = new WalkerTestSpec(
                 baseTestString() + " -G Standard --variant:VCF3 " + testDir + "vcfexample2empty.vcf -I " + validationDataLocation + "low_coverage_CEU.chr1.10k-11k.bam -L 1:10,020,000-10,021,000", 1,
-                Arrays.asList("bd367dbcbcc45cc43588e1d7309a7ad1"));
+                Arrays.asList("6d64723c808a3dd774ed06e228f9c63d"));
         executeTest("test file doesn't have annotations, asking for annotations, #1", spec);
     }
 
@@ -74,7 +74,7 @@ public class VariantAnnotatorIntegrationTest extends WalkerTest {
     public void testNoAnnotsAsking2() {
         WalkerTestSpec spec = new WalkerTestSpec(
                 baseTestString() + " -G Standard --variant:VCF3 " + testDir + "vcfexample3empty.vcf -I " + validationDataLocation + "NA12878.1kg.p2.chr1_10mb_11_mb.SLX.bam -L 1:10,000,000-10,050,000", 1,
-                Arrays.asList("7f200756227a1ee75f33c466955015c5"));
+                Arrays.asList("153a23b2fa4eb0ee288e4bb2f0fc4bf8"));
         executeTest("test file doesn't have annotations, asking for annotations, #2", spec);
     }
 
@@ -82,7 +82,7 @@ public class VariantAnnotatorIntegrationTest extends WalkerTest {
     public void testExcludeAnnotations() {
         WalkerTestSpec spec = new WalkerTestSpec(
                 baseTestString() + " -G Standard -XA FisherStrand -XA ReadPosRankSumTest --variant:VCF3 " + testDir + "vcfexample2empty.vcf -I " + validationDataLocation + "low_coverage_CEU.chr1.10k-11k.bam -L 1:10,020,000-10,021,000", 1,
-                Arrays.asList("65dc85869239d52e3893e5ba47c1afac"));
+                Arrays.asList("a28a503ab204474ecee306c9eceb1060"));
         executeTest("test exclude annotations", spec);
     }
 
@@ -98,7 +98,7 @@ public class VariantAnnotatorIntegrationTest extends WalkerTest {
     public void testNoReads() {
         WalkerTestSpec spec = new WalkerTestSpec(
                 baseTestString() + " -G Standard --variant " + testDir + "vcfexample3empty.vcf -L " + testDir + "vcfexample3empty.vcf", 1,
-                Arrays.asList("920d796cfaa19c20153181d7be627435"));
+                Arrays.asList("ea6201db7c1fd5cb9cc3110a3396c646"));
         executeTest("not passing it any reads", spec);
     }
 
@@ -106,7 +106,7 @@ public class VariantAnnotatorIntegrationTest extends WalkerTest {
     public void testDBTagWithDbsnp() {
         WalkerTestSpec spec = new WalkerTestSpec(
                 baseTestString() + " --dbsnp " + b36dbSNP129 + " -G Standard --variant " + testDir + "vcfexample3empty.vcf -L " + testDir + "vcfexample3empty.vcf", 1,
-                Arrays.asList("3a1e3ddd8c563a9de522c551e3d7e724"));
+                Arrays.asList("5103b9d9857530dc0ccdb8ca0a1db8c3"));
         executeTest("getting DB tag with dbSNP", spec);
     }
 
@@ -114,7 +114,7 @@ public class VariantAnnotatorIntegrationTest extends WalkerTest {
     public void testMultipleIdsWithDbsnp() {
         WalkerTestSpec spec = new WalkerTestSpec(
                 baseTestString() + " --alwaysAppendDbsnpId --dbsnp " + b36dbSNP129 + " -G Standard --variant " + testDir + "vcfexample3withIDs.vcf -L " + testDir + "vcfexample3withIDs.vcf", 1,
-                Arrays.asList("06107c9dfefc1ab53e366d0f86502ff2"));
+                Arrays.asList("d519c21ab0ae901d39856fea7e0e9d83"));
         executeTest("adding multiple IDs with dbSNP", spec);
     }
 
@@ -122,7 +122,7 @@ public class VariantAnnotatorIntegrationTest extends WalkerTest {
     public void testDBTagWithHapMap() {
         WalkerTestSpec spec = new WalkerTestSpec(
                 baseTestString() + " --comp:H3 " + testDir + "fakeHM3.vcf -G Standard --variant " + testDir + "vcfexample3empty.vcf -L " + testDir + "vcfexample3empty.vcf", 1,
-                Arrays.asList("fe1e76a7a0d95ee7c604194b165a640d"));
+                Arrays.asList("746f3a431c6491b85dd6fcf75065550f"));
         executeTest("getting DB tag with HM3", spec);
     }
 
@@ -130,7 +130,7 @@ public class VariantAnnotatorIntegrationTest extends WalkerTest {
     public void testNoQuals() {
         WalkerTestSpec spec = new WalkerTestSpec(
                 baseTestString() + " --variant " + testDir + "noQual.vcf -I " + validationDataLocation + "NA12878.1kg.p2.chr1_10mb_11_mb.SLX.bam -L " + testDir + "noQual.vcf -A QualByDepth", 1,
-                Arrays.asList("e531c9f90c17f0f859cd1ac851a8edd8"));
+                Arrays.asList("7ce09a89e72ee95f21313e496311068a"));
         executeTest("test file doesn't have QUALs", spec);
     }
 
@@ -138,7 +138,7 @@ public class VariantAnnotatorIntegrationTest extends WalkerTest {
     public void testUsingExpression() {
         WalkerTestSpec spec = new WalkerTestSpec(
                 baseTestString() + " --resource:foo " + testDir + "targetAnnotations.vcf -G Standard --variant:VCF3 " + testDir + "vcfexample3empty.vcf -E foo.AF -L " + testDir + "vcfexample3empty.vcf", 1,
-                Arrays.asList("b5583188347922476e23080a265c214e"));
+                Arrays.asList("accce2796a967d05d756e1b5adecd6d2"));
         executeTest("using expression", spec);
     }
 
@@ -146,7 +146,7 @@ public class VariantAnnotatorIntegrationTest extends WalkerTest {
     public void testUsingExpressionWithID() {
         WalkerTestSpec spec = new WalkerTestSpec(
                 baseTestString() + " --resource:foo " + testDir + "targetAnnotations.vcf -G Standard --variant:VCF3 " + testDir + "vcfexample3empty.vcf -E foo.ID -L " + testDir + "vcfexample3empty.vcf", 1,
-                Arrays.asList("bb6d9553d6954923cdef157753735b87"));
+                Arrays.asList("9a37502ab929ac3d5a829467f5612853"));
         executeTest("using expression with ID", spec);
     }
 
@@ -168,7 +168,7 @@ public class VariantAnnotatorIntegrationTest extends WalkerTest {
             validationDataLocation + "1kg_exomes_unfiltered.AFR.unfiltered.vcf --snpEffFile  " + validationDataLocation +
             "snpEff2.0.5.AFR.unfiltered.vcf -L 1:1-1,500,000 -L 2:232,325,429",
             1,
-            Arrays.asList("ffbda45b3682c9b83cb541d83f6c15d6")
+            Arrays.asList("bef7201d9c79facbecba15d4abcc684b")
         );
         executeTest("Testing SnpEff annotations", spec);
     }
@@ -187,7 +187,7 @@ public class VariantAnnotatorIntegrationTest extends WalkerTest {
 
     @Test
     public void testTDTAnnotation() {
-        final String MD5 = "a78c1e950740d3c13c0258960c5fa8e1";
+        final String MD5 = "900e9d82ea3127aa06e676cf50b341f6";
         WalkerTestSpec spec = new WalkerTestSpec(
                 "-T VariantAnnotator -R " + b37KGReference + " -A TransmissionDisequilibriumTest --variant:vcf " + testDir + "ug.random50000.subset300bp.chr1.family.vcf" +
                         " -L " + testDir + "ug.random50000.subset300bp.chr1.family.vcf --no_cmdline_in_header -ped " + testDir + "ug.random50000.family.ped -o %s", 1,
@@ -198,7 +198,7 @@ public class VariantAnnotatorIntegrationTest extends WalkerTest {
 
     @Test
     public void testChromosomeCountsPed() {
-        final String MD5 = "32df3ceb63c277df442ed55fb8684933";
+        final String MD5 = "7fe0e9df2d9fb375beb7cf23afdb4c87";
         WalkerTestSpec spec = new WalkerTestSpec(
                 "-T VariantAnnotator -R " + b37KGReference + " -A ChromosomeCounts --variant:vcf " + testDir + "ug.random50000.subset300bp.chr1.family.vcf" +
                         " -L " + testDir + "ug.random50000.subset300bp.chr1.family.vcf --no_cmdline_in_header -ped " + testDir + "ug.random50000.family.ped -o %s", 1,
@@ -208,7 +208,7 @@ public class VariantAnnotatorIntegrationTest extends WalkerTest {
 
     @Test
     public void testInbreedingCoeffPed() {
-        final String MD5 = "7f1314fada5cb1f35ba1996f8a7a686b";
+        final String MD5 = "7aaf0033a823bbf9066b43764d8dd660";
         WalkerTestSpec spec = new WalkerTestSpec(
                 "-T VariantAnnotator -R " + b37KGReference + " -A InbreedingCoeff --variant:vcf " + testDir + "ug.random50000.subset300bp.chr1.family.vcf" +
                         " -L " + testDir + "ug.random50000.subset300bp.chr1.family.vcf --no_cmdline_in_header -ped " + testDir + "ug.random50000.family.ped -o %s", 1,
diff --git a/public/java/test/org/broadinstitute/sting/gatk/walkers/beagle/BeagleIntegrationTest.java b/public/java/test/org/broadinstitute/sting/gatk/walkers/beagle/BeagleIntegrationTest.java
index bf2f6fb3d..3f0d871b0 100755
--- a/public/java/test/org/broadinstitute/sting/gatk/walkers/beagle/BeagleIntegrationTest.java
+++ b/public/java/test/org/broadinstitute/sting/gatk/walkers/beagle/BeagleIntegrationTest.java
@@ -72,7 +72,7 @@ public class BeagleIntegrationTest extends WalkerTest {
                 "--beagleR2:beagle /humgen/gsa-hpprojects/GATK/data/Validation_Data/EUR_beagle_in_test.r2 "+
                 "--beagleProbs:beagle /humgen/gsa-hpprojects/GATK/data/Validation_Data/EUR_beagle_in_test.gprobs.bgl "+
                 "--beaglePhased:beagle /humgen/gsa-hpprojects/GATK/data/Validation_Data/EUR_beagle_in_test.phased.bgl "+
-                "-L 20:1-70000 -o %s --no_cmdline_in_header ",1,Arrays.asList("ddbf490f1d9f37cc79fe414c8d40886f"));
+                "-L 20:1-70000 -o %s --no_cmdline_in_header ",1,Arrays.asList("43865f3f0d975ee2c5912b31393842f8"));
 
         executeTest("testBeagleChangesSitesToRef",spec);
     }
diff --git a/public/java/test/org/broadinstitute/sting/gatk/walkers/filters/VariantFiltrationIntegrationTest.java b/public/java/test/org/broadinstitute/sting/gatk/walkers/filters/VariantFiltrationIntegrationTest.java
index c9a6dd0c6..719ec94cf 100755
--- a/public/java/test/org/broadinstitute/sting/gatk/walkers/filters/VariantFiltrationIntegrationTest.java
+++ b/public/java/test/org/broadinstitute/sting/gatk/walkers/filters/VariantFiltrationIntegrationTest.java
@@ -16,7 +16,7 @@ public class VariantFiltrationIntegrationTest extends WalkerTest {
     public void testNoAction() {
         WalkerTestSpec spec = new WalkerTestSpec(
                 baseTestString() + " --variant:VCF3 " + testDir + "vcfexample2.vcf -L 1:10,020,000-10,021,000", 1,
-                Arrays.asList("8a105fa5eebdfffe7326bc5b3d8ffd1c"));
+                Arrays.asList("5720826c2bf6cbc762e4a888ef58c3f2"));
         executeTest("test no action", spec);
     }
 
@@ -24,7 +24,7 @@ public class VariantFiltrationIntegrationTest extends WalkerTest {
     public void testClusteredSnps() {
         WalkerTestSpec spec = new WalkerTestSpec(
                 baseTestString() + " -window 10 --variant:VCF3 " + testDir + "vcfexample2.vcf -L 1:10,020,000-10,021,000", 1,
-                Arrays.asList("27b13f179bb4920615dff3a32730d845"));
+                Arrays.asList("d7c2a4b0c1b2b982847508997ba57ebf"));
         executeTest("test clustered SNPs", spec);
     }
 
@@ -32,7 +32,7 @@ public class VariantFiltrationIntegrationTest extends WalkerTest {
     public void testMask1() {
         WalkerTestSpec spec1 = new WalkerTestSpec(
                 baseTestString() + " -maskName foo --mask:VCF3 " + testDir + "vcfexample2.vcf --variant:VCF3 " + testDir + "vcfexample2.vcf -L 1:10,020,000-10,021,000", 1,
-                Arrays.asList("578f9e774784c25871678e6464fd212b"));
+                Arrays.asList("890774962576c407d8a17ed57cf704c1"));
         executeTest("test mask all", spec1);
     }
 
@@ -40,7 +40,7 @@ public class VariantFiltrationIntegrationTest extends WalkerTest {
     public void testMask2() {
         WalkerTestSpec spec2 = new WalkerTestSpec(
                 baseTestString() + " -maskName foo --mask:VCF " + testDir + "vcfMask.vcf --variant:VCF3 " + testDir + "vcfexample2.vcf -L 1:10,020,000-10,021,000", 1,
-                Arrays.asList("bfa86a674aefca1b13d341cb14ab3c4f"));
+                Arrays.asList("8864573dbf52908501140e6b0afcbc90"));
         executeTest("test mask some", spec2);
     }
 
@@ -48,7 +48,7 @@ public class VariantFiltrationIntegrationTest extends WalkerTest {
     public void testMask3() {
         WalkerTestSpec spec3 = new WalkerTestSpec(
                 baseTestString() + " -maskName foo -maskExtend 10 --mask:VCF " + testDir + "vcfMask.vcf --variant:VCF3 " + testDir + "vcfexample2.vcf -L 1:10,020,000-10,021,000", 1,
-                Arrays.asList("5939f80d14b32d88587373532d7b90e5"));
+                Arrays.asList("42a1c08763f151073a49e3c7bb68028b"));
         executeTest("test mask extend", spec3);
     }
 
@@ -56,7 +56,7 @@ public class VariantFiltrationIntegrationTest extends WalkerTest {
     public void testFilter1() {
         WalkerTestSpec spec = new WalkerTestSpec(
                 baseTestString() + " -filter 'DoC < 20 || FisherStrand > 20.0' -filterName foo --variant:VCF3 " + testDir + "vcfexample2.vcf -L 1:10,020,000-10,021,000", 1,
-                Arrays.asList("45219dbcfb6f81bba2ea0c35f5bfd368"));
+                Arrays.asList("ef8100c3b7c67d28571cbda771c414c2"));
         executeTest("test filter #1", spec);
     }
 
@@ -64,7 +64,7 @@ public class VariantFiltrationIntegrationTest extends WalkerTest {
     public void testFilter2() {
         WalkerTestSpec spec = new WalkerTestSpec(
                 baseTestString() + " -filter 'AlleleBalance < 70.0 && FisherStrand == 1.4' -filterName bar --variant:VCF3 " + testDir + "vcfexample2.vcf -L 1:10,020,000-10,021,000", 1,
-                Arrays.asList("c95845e817da7352b9b72bc9794f18fb"));
+                Arrays.asList("318ed3874fd42b7da8c59554a25a1fab"));
         executeTest("test filter #2", spec);
     }
 
@@ -72,7 +72,7 @@ public class VariantFiltrationIntegrationTest extends WalkerTest {
     public void testFilterWithSeparateNames() {
         WalkerTestSpec spec = new WalkerTestSpec(
                 baseTestString() + " --filterName ABF -filter 'AlleleBalance < 0.7' --filterName FSF -filter 'FisherStrand == 1.4' --variant:VCF3 " + testDir + "vcfexample2.vcf -L 1:10,020,000-10,021,000", 1,
-                Arrays.asList("b8cdd7f44ff1a395e0a9b06a87e1e530"));
+                Arrays.asList("9cb398e78a38a7bc5e839e28c8dae2eb"));
         executeTest("test filter with separate names #2", spec);
     }
 
@@ -80,7 +80,7 @@ public class VariantFiltrationIntegrationTest extends WalkerTest {
     public void testGenotypeFilters1() {
         WalkerTestSpec spec1 = new WalkerTestSpec(
                 baseTestString() + " -G_filter 'GQ == 0.60' -G_filterName foo --variant:VCF3 " + testDir + "vcfexample2.vcf -L 1:10,020,000-10,021,000", 1,
-                Arrays.asList("96b61e4543a73fe725e433f007260039"));
+                Arrays.asList("b38709f932b969e4267603333863269e"));
         executeTest("test genotype filter #1", spec1);
     }
 
@@ -88,7 +88,7 @@ public class VariantFiltrationIntegrationTest extends WalkerTest {
     public void testGenotypeFilters2() {
         WalkerTestSpec spec2 = new WalkerTestSpec(
                 baseTestString() + " -G_filter 'AF == 0.04 && isHomVar == 1' -G_filterName foo --variant:VCF3 " + testDir + "vcfexample2.vcf -L 1:10,020,000-10,021,000", 1,
-                Arrays.asList("6c8112ab17ce39c8022c891ae73bf38e"));
+                Arrays.asList("0e1457e678326e44e92ee13e84414e0f"));
         executeTest("test genotype filter #2", spec2);
     }
 
diff --git a/public/java/test/org/broadinstitute/sting/gatk/walkers/genotyper/UnifiedGenotyperIntegrationTest.java b/public/java/test/org/broadinstitute/sting/gatk/walkers/genotyper/UnifiedGenotyperIntegrationTest.java
index 471c858ca..da2aa9003 100755
--- a/public/java/test/org/broadinstitute/sting/gatk/walkers/genotyper/UnifiedGenotyperIntegrationTest.java
+++ b/public/java/test/org/broadinstitute/sting/gatk/walkers/genotyper/UnifiedGenotyperIntegrationTest.java
@@ -7,7 +7,6 @@ import org.testng.annotations.Test;
 
 import java.io.File;
 import java.util.Arrays;
-import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
@@ -30,7 +29,7 @@ public class UnifiedGenotyperIntegrationTest extends WalkerTest {
     public void testMultiSamplePilot1() {
         WalkerTest.WalkerTestSpec spec = new WalkerTest.WalkerTestSpec(
                 baseCommand + " -I " + validationDataLocation + "low_coverage_CEU.chr1.10k-11k.bam -o %s -L 1:10,022,000-10,025,000", 1,
-                Arrays.asList("0357f708cf93decd4fc2e66b59109fe1"));
+                Arrays.asList("bf5c76bec6e00199d441b6175b6b7c39"));
         executeTest("test MultiSample Pilot1", spec);
     }
 
@@ -38,7 +37,7 @@ public class UnifiedGenotyperIntegrationTest extends WalkerTest {
     public void testWithAllelesPassedIn1() {
         WalkerTest.WalkerTestSpec spec1 = new WalkerTest.WalkerTestSpec(
                 baseCommand + " --genotyping_mode GENOTYPE_GIVEN_ALLELES -alleles " + testDir + "allelesForUG.vcf -I " + validationDataLocation + "pilot2_daughters.chr20.10k-11k.bam -o %s -L 20:10,000,000-10,025,000", 1,
-                Arrays.asList("b491ca7b74bbd010d3f3b3d571e3abf3"));
+                Arrays.asList("9f56f8d62c047213c894c3f250706aea"));
         executeTest("test MultiSample Pilot2 with alleles passed in", spec1);
     }
 
@@ -46,7 +45,7 @@ public class UnifiedGenotyperIntegrationTest extends WalkerTest {
     public void testWithAllelesPassedIn2() {
         WalkerTest.WalkerTestSpec spec2 = new WalkerTest.WalkerTestSpec(
                 baseCommand + " --output_mode EMIT_ALL_SITES --genotyping_mode GENOTYPE_GIVEN_ALLELES -alleles " + testDir + "allelesForUG.vcf -I " + validationDataLocation + "pilot2_daughters.chr20.10k-11k.bam -o %s -L 20:10,000,000-10,025,000", 1,
-                Arrays.asList("981b8e3fef61a00c4df49e6429723e48"));
+                Arrays.asList("0a5048062cd9022b761ae87efed5957e"));
         executeTest("test MultiSample Pilot2 with alleles passed in and emitting all sites", spec2);
     }
 
@@ -54,7 +53,7 @@ public class UnifiedGenotyperIntegrationTest extends WalkerTest {
     public void testSingleSamplePilot2() {
         WalkerTest.WalkerTestSpec spec = new WalkerTest.WalkerTestSpec(
                 baseCommand + " -I " + validationDataLocation + "NA12878.1kg.p2.chr1_10mb_11_mb.SLX.bam -o %s -L 1:10,000,000-10,100,000", 1,
-                Arrays.asList("f178609d30230bbd3c0a4173f81c8d98"));
+                Arrays.asList("f50a30bf9bbd4e5dcd5d7d9282b6dadf"));
         executeTest("test SingleSample Pilot2", spec);
     }
 
@@ -62,7 +61,7 @@ public class UnifiedGenotyperIntegrationTest extends WalkerTest {
     public void testMultipleSNPAlleles() {
         WalkerTest.WalkerTestSpec spec = new WalkerTest.WalkerTestSpec(
                 "-T UnifiedGenotyper -R " + b37KGReference + " -nosl --no_cmdline_in_header -glm BOTH --dbsnp " + b37dbSNP129 + " -I " + testDir + "multiallelic.snps.bam -o %s -L " + testDir + "multiallelic.snps.intervals", 1,
-                Arrays.asList("b4fd4daaa39373a4cc2ccca5320b4543"));
+                Arrays.asList("6fb6ea5f2b9da02a0fea7cb2994fb5db"));
         executeTest("test Multiple SNP alleles", spec);
     }
 
@@ -70,7 +69,7 @@ public class UnifiedGenotyperIntegrationTest extends WalkerTest {
     public void testBadRead() {
         WalkerTest.WalkerTestSpec spec = new WalkerTest.WalkerTestSpec(
                 "-T UnifiedGenotyper -R " + b37KGReference + " -nosl --no_cmdline_in_header -glm BOTH -I " + testDir + "badRead.test.bam -o %s -L 1:22753424-22753464", 1,
-                Arrays.asList("5eddd74df06bc5e9a5a629e039e03133"));
+                Arrays.asList("95158fb50db5d41a678cd331a3ffe5e1"));
         executeTest("test bad read", spec);
     }
 
@@ -78,7 +77,7 @@ public class UnifiedGenotyperIntegrationTest extends WalkerTest {
     public void testReverseTrim() {
         WalkerTest.WalkerTestSpec spec = new WalkerTest.WalkerTestSpec(
                 "-T UnifiedGenotyper -R " + b37KGReference + " -nosl --no_cmdline_in_header -glm INDEL -I " + validationDataLocation + "CEUTrio.HiSeq.b37.chr20.10_11mb.bam -o %s -L 20:10289124 -L 20:10090289", 1,
-                Arrays.asList("2695becb936f7fd680b067135c2cd2fc"));
+                Arrays.asList("c86e05f315a86bc190d72cde911e6fe2"));
         executeTest("test reverse trim", spec);
     }
 
@@ -88,7 +87,7 @@ public class UnifiedGenotyperIntegrationTest extends WalkerTest {
     //
     // --------------------------------------------------------------------------------------------------------------
 
-    private final static String COMPRESSED_OUTPUT_MD5 = "0847bf352193e8ff52e3182e3f97db63";
+    private final static String COMPRESSED_OUTPUT_MD5 = "f6d655714706b6e8390037db3fad60ef";
 
     @Test
     public void testCompressedOutput() {
@@ -109,7 +108,7 @@ public class UnifiedGenotyperIntegrationTest extends WalkerTest {
 
         // Note that we need to turn off any randomization for this to work, so no downsampling and no annotations
 
-        String md5 = "06d11ed89f02f08911e100df0f7db7a4";
+        String md5 = "7bc812cc553b4ab77c08049f0e32d0f6";
 
         WalkerTest.WalkerTestSpec spec1 = new WalkerTest.WalkerTestSpec(
                 baseCommand + " -dt NONE -G none -I " + validationDataLocation + "NA12878.1kg.p2.chr1_10mb_11_mb.SLX.bam -o %s -L 1:10,000,000-10,075,000", 1,
@@ -141,7 +140,7 @@ public class UnifiedGenotyperIntegrationTest extends WalkerTest {
     public void testMinBaseQualityScore() {
         WalkerTest.WalkerTestSpec spec = new WalkerTest.WalkerTestSpec(
                 baseCommand + " -I " + validationDataLocation + "NA12878.1kg.p2.chr1_10mb_11_mb.SLX.bam -o %s -L 1:10,000,000-10,010,000 --min_base_quality_score 26", 1,
-                Arrays.asList("d448aaa498337c9b15472aaa8137a98c"));
+                Arrays.asList("dfeaccb68165fdaffafde9150914432d"));
         executeTest("test min_base_quality_score 26", spec);
     }
 
@@ -149,7 +148,7 @@ public class UnifiedGenotyperIntegrationTest extends WalkerTest {
     public void testSLOD() {
         WalkerTest.WalkerTestSpec spec = new WalkerTest.WalkerTestSpec(
                 "-T UnifiedGenotyper -R " + b36KGReference + " --no_cmdline_in_header -glm BOTH --dbsnp " + b36dbSNP129 + " -I " + validationDataLocation + "NA12878.1kg.p2.chr1_10mb_11_mb.SLX.bam -o %s -L 1:10,000,000-10,010,000", 1,
-                Arrays.asList("75250c65647acabcd0319820d67deffe"));
+                Arrays.asList("35ef19b4f248969c74da8bd7489385d6"));
         executeTest("test SLOD", spec);
     }
 
@@ -157,7 +156,7 @@ public class UnifiedGenotyperIntegrationTest extends WalkerTest {
     public void testNDA() {
         WalkerTest.WalkerTestSpec spec = new WalkerTest.WalkerTestSpec(
                 baseCommand + " --annotateNDA -I " + validationDataLocation + "NA12878.1kg.p2.chr1_10mb_11_mb.SLX.bam -o %s -L 1:10,000,000-10,010,000", 1,
-                Arrays.asList("70d54bc2170f00ca1ddee45141a6a7e2"));
+                Arrays.asList("aa49989fde8c6378f5c751f8b267c471"));
         executeTest("test NDA", spec);
     }
 
@@ -165,30 +164,37 @@ public class UnifiedGenotyperIntegrationTest extends WalkerTest {
     public void testCompTrack() {
         WalkerTest.WalkerTestSpec spec = new WalkerTest.WalkerTestSpec(
                 "-T UnifiedGenotyper -R " + b36KGReference + " --no_cmdline_in_header -glm BOTH -comp:FOO " + b36dbSNP129 + " -I " + validationDataLocation + "NA12878.1kg.p2.chr1_10mb_11_mb.SLX.bam -o %s -L 1:10,000,000-10,010,000", 1,
-                Arrays.asList("284d23c211f60dfac994e319caef0c36"));
+                Arrays.asList("ffaeb60a5776d85b41c64786ddc4d14d"));
         executeTest("test using comp track", spec);
     }
 
     @Test
-    public void testOutputParameter() {
-        HashMap<String, String> e = new HashMap<String, String>();
-        e.put( "-sites_only", "aed7ab38d4381e5e5eeee9f73bf4fd81" );
-        e.put( "--output_mode EMIT_ALL_CONFIDENT_SITES", "dd956beb4bb377a9b28e5da78df5f2f3" );
-        e.put( "--output_mode EMIT_ALL_SITES", "a088df1f161f732ff148bd7a48894251" );
+    public void testOutputParameterSitesOnly() {
+        testOutputParameters("-sites_only", "f9a4005c53291170800e6023503d5635");
+    }
 
-        for ( Map.Entry<String, String> entry : e.entrySet() ) {
-            WalkerTest.WalkerTestSpec spec = new WalkerTest.WalkerTestSpec(
-                    baseCommand + " -I " + validationDataLocation + "NA12878.1kg.p2.chr1_10mb_11_mb.SLX.bam -o %s -L 1:10,000,000-10,010,000 " + entry.getKey(), 1,
-                    Arrays.asList(entry.getValue()));
-            executeTest(String.format("testParameter[%s]", entry.getKey()), spec);
-        }
+    @Test
+    public void testOutputParameterAllConfident() {
+        testOutputParameters("--output_mode EMIT_ALL_CONFIDENT_SITES", "e6c63baff51aaeb318c8bebaf2989828");
+    }
+
+    @Test
+    public void testOutputParameterAllSites() {
+        testOutputParameters("--output_mode EMIT_ALL_SITES", "43ffa34646d781a368ea81342c21ae2e");
+    }
+
+    private void testOutputParameters(final String args, final String md5) {
+        WalkerTest.WalkerTestSpec spec = new WalkerTest.WalkerTestSpec(
+                baseCommand + " -I " + validationDataLocation + "NA12878.1kg.p2.chr1_10mb_11_mb.SLX.bam -o %s -L 1:10,000,000-10,010,000 " + args, 1,
+                Arrays.asList(md5));
+        executeTest(String.format("testParameter[%s]", args), spec);
     }
 
     @Test
     public void testConfidence() {
         WalkerTest.WalkerTestSpec spec1 = new WalkerTest.WalkerTestSpec(
                 baseCommand + " -I " + validationDataLocation + "NA12878.1kg.p2.chr1_10mb_11_mb.SLX.bam -o %s -L 1:10,000,000-10,010,000 -stand_call_conf 10 ", 1,
-                Arrays.asList("594e770c852a7e4a1dc2c4ab0065bebc"));
+                Arrays.asList("c7cb29121eb30e752ab6652a6d2a62a6"));
         executeTest("test confidence 1", spec1);
     }
 
@@ -196,7 +202,7 @@ public class UnifiedGenotyperIntegrationTest extends WalkerTest {
     public void testConfidence2() {
         WalkerTest.WalkerTestSpec spec2 = new WalkerTest.WalkerTestSpec(
                 baseCommand + " -I " + validationDataLocation + "NA12878.1kg.p2.chr1_10mb_11_mb.SLX.bam -o %s -L 1:10,000,000-10,010,000 -stand_emit_conf 10 ", 1,
-                Arrays.asList("ae52ac5a2c4515935294cddb5eadb255"));
+                Arrays.asList("e7bdb76be82420a03ff28038d283822d"));
         executeTest("test confidence 2", spec2);
     }
 
@@ -206,17 +212,20 @@ public class UnifiedGenotyperIntegrationTest extends WalkerTest {
     //
     // --------------------------------------------------------------------------------------------------------------
     @Test
-    public void testHeterozyosity() {
-        HashMap<Double, String> e = new HashMap<Double, String>();
-        e.put( 0.01, "fc1e160034b2beaa06f4edac06568d66" );
-        e.put( 1.0 / 1850, "a64c9c16b22765edcfac261fd50b84e8" );
+    public void testHeterozyosity1() {
+        testHeterozosity( 0.01, "ca65e199e9ff0bc986df3dee74e11eb1" );
+    }
 
-        for ( Map.Entry<Double, String> entry : e.entrySet() ) {
-            WalkerTest.WalkerTestSpec spec = new WalkerTest.WalkerTestSpec(
-                    baseCommand + " -I " + validationDataLocation + "NA12878.1kg.p2.chr1_10mb_11_mb.SLX.bam -o %s -L 1:10,000,000-10,100,000 --heterozygosity " + entry.getKey(), 1,
-                    Arrays.asList(entry.getValue()));
-            executeTest(String.format("test heterozyosity[%s]", entry.getKey()), spec);
-        }
+    @Test
+    public void testHeterozyosity2() {
+        testHeterozosity( 1.0 / 1850, "ddcdfe4a5252da59278a6f1ba6f8a175" );
+    }
+
+    private void testHeterozosity(final double arg, final String md5) {
+        WalkerTest.WalkerTestSpec spec = new WalkerTest.WalkerTestSpec(
+                baseCommand + " -I " + validationDataLocation + "NA12878.1kg.p2.chr1_10mb_11_mb.SLX.bam -o %s -L 1:10,000,000-10,100,000 --heterozygosity " + arg, 1,
+                Arrays.asList(md5));
+        executeTest(String.format("test heterozyosity[%s]", arg), spec);
     }
 
 
@@ -233,7 +242,7 @@ public class UnifiedGenotyperIntegrationTest extends WalkerTest {
                         " -o %s" +
                         " -L 1:10,000,000-10,100,000",
                 1,
-                Arrays.asList("db679044c22744067303939fef51a9d1"));
+                Arrays.asList("c4b3876d76e3d0fb78a1d3ebd674f1a1"));
 
         executeTest(String.format("test multiple technologies"), spec);
     }
@@ -252,7 +261,7 @@ public class UnifiedGenotyperIntegrationTest extends WalkerTest {
                         " -L 1:10,000,000-10,100,000" +
                         " -baq CALCULATE_AS_NECESSARY",
                 1,
-                Arrays.asList("ebd30ec778fbaf228458ac4a83210677"));
+                Arrays.asList("41445b1cd1a82af71126ff1692f7a5fe"));
 
         executeTest(String.format("test calling with BAQ"), spec);
     }
@@ -271,7 +280,7 @@ public class UnifiedGenotyperIntegrationTest extends WalkerTest {
                         " -o %s" +
                         " -L 1:10,000,000-10,500,000",
                 1,
-                Arrays.asList("b3277e20f2368c2669ac5be46fafe513"));
+                Arrays.asList("c9e79470a4ce6eacde366e9fcf4d5b14"));
 
         executeTest(String.format("test indel caller in SLX"), spec);
     }
@@ -286,7 +295,7 @@ public class UnifiedGenotyperIntegrationTest extends WalkerTest {
                         " -minIndelCnt 1" +
                         " -L 1:10,000,000-10,100,000",
                 1,
-                Arrays.asList("a67a040314113f649e3c2ffde326de4c"));
+                Arrays.asList("70f8a17ba68131520db5c764ac5acdd2"));
 
         executeTest(String.format("test indel caller in SLX with low min allele count"), spec);
     }
@@ -299,7 +308,7 @@ public class UnifiedGenotyperIntegrationTest extends WalkerTest {
                          " -o %s" +
                          " -L 1:10,000,000-10,500,000",
                  1,
-                 Arrays.asList("fa5b909790faaac329f2b6a19db6d628"));
+                 Arrays.asList("e4316d80fd833886820c8b4e122fbfc4"));
 
          executeTest(String.format("test indel calling, multiple technologies"), spec);
      }
@@ -309,7 +318,7 @@ public class UnifiedGenotyperIntegrationTest extends WalkerTest {
         WalkerTest.WalkerTestSpec spec = new WalkerTest.WalkerTestSpec(
                 baseCommandIndels + " --genotyping_mode GENOTYPE_GIVEN_ALLELES -alleles " + testDir + "indelAllelesForUG.vcf -I " + validationDataLocation +
                         "pilot2_daughters.chr20.10k-11k.bam -o %s -L 20:10,000,000-10,100,000", 1,
-                Arrays.asList("c144a3a4d72cd281941ebf5e07d090f5"));
+                Arrays.asList("c92aba3635f3331ddf8ae7a0382ca594"));
         executeTest("test MultiSample Pilot2 indels with alleles passed in", spec);
     }
 
@@ -319,21 +328,21 @@ public class UnifiedGenotyperIntegrationTest extends WalkerTest {
                 baseCommandIndels + " --output_mode EMIT_ALL_SITES --genotyping_mode GENOTYPE_GIVEN_ALLELES -alleles "
                         + testDir + "indelAllelesForUG.vcf -I " + validationDataLocation +
                         "pilot2_daughters.chr20.10k-11k.bam -o %s -L 20:10,000,000-10,100,000", 1,
-                Arrays.asList("af32437ec0ac6ea3b57196d163cac76e"));
+                Arrays.asList("b87034f349887160ec1124e12863d543"));
         executeTest("test MultiSample Pilot2 indels with alleles passed in and emitting all sites", spec);
     }
 
     @Test
-    public void testMultiSampleIndels() {
+    public void testMultiSampleIndels1() {
         WalkerTest.WalkerTestSpec spec1 = new WalkerTest.WalkerTestSpec(
                 baseCommandIndels + " -I " + validationDataLocation + "low_coverage_CEU.chr1.10k-11k.bam -o %s -L 1:10450700-10551000", 1,
-                Arrays.asList("bce73149ce104fe91ff8e43db7faf27a"));
+                Arrays.asList("51e6a7868d2ea2daefa411ed82f18be2"));
         List<File> result = executeTest("test MultiSample Pilot1 CEU indels", spec1).getFirst();
 
         WalkerTest.WalkerTestSpec spec2 = new WalkerTest.WalkerTestSpec(
                 baseCommandIndels + " --genotyping_mode GENOTYPE_GIVEN_ALLELES -alleles " + result.get(0).getAbsolutePath() + " -I " + validationDataLocation +
                         "low_coverage_CEU.chr1.10k-11k.bam -o %s -L 1:10450700-10551000", 1,
-                Arrays.asList("822c7ed862a932deb59b16857e043404"));
+                Arrays.asList("954c52be0c6ca9ed5a213a53f4efbc10"));
         executeTest("test MultiSample Pilot1 CEU indels using GENOTYPE_GIVEN_ALLELES", spec2);
     }
 
@@ -343,7 +352,7 @@ public class UnifiedGenotyperIntegrationTest extends WalkerTest {
         WalkerTest.WalkerTestSpec spec = new WalkerTest.WalkerTestSpec(
                 baseCommandIndelsb37 + " --genotyping_mode GENOTYPE_GIVEN_ALLELES -out_mode EMIT_ALL_SITES -alleles " + testDir + vcf + " -I " + validationDataLocation +
                         "NA12878.HiSeq.WGS.bwa.cleaned.recal.hg19.20.bam -o %s -L " + validationDataLocation + vcf, 1,
-                Arrays.asList("c56155e08b1264f289ed0c47d16a6cb4"));
+                Arrays.asList("ae44230ed54fd8ce63711cae908470cb"));
         executeTest("test GENOTYPE_GIVEN_ALLELES with no evidence in reads", spec);
     }
 
@@ -376,7 +385,7 @@ public class UnifiedGenotyperIntegrationTest extends WalkerTest {
     public void testMinIndelFraction0() {
         WalkerTest.WalkerTestSpec spec = new WalkerTest.WalkerTestSpec(
                 assessMinIndelFraction + " -minIndelFrac 0.0", 1,
-                Arrays.asList("f4783e6ba325500466a9f6ca9b7a4a7c"));
+                Arrays.asList("471012c1d3dbec4633710264de5daa24"));
         executeTest("test minIndelFraction 0.0", spec);
     }
 
@@ -384,7 +393,7 @@ public class UnifiedGenotyperIntegrationTest extends WalkerTest {
     public void testMinIndelFraction25() {
         WalkerTest.WalkerTestSpec spec = new WalkerTest.WalkerTestSpec(
                 assessMinIndelFraction + " -minIndelFrac 0.25", 1,
-                Arrays.asList("c0551a6a3d3eb598d2b35866e396e836"));
+                Arrays.asList("9165507fb202d515512a947a8a9db6bb"));
         executeTest("test minIndelFraction 0.25", spec);
     }
 
@@ -392,7 +401,7 @@ public class UnifiedGenotyperIntegrationTest extends WalkerTest {
     public void testMinIndelFraction100() {
         WalkerTest.WalkerTestSpec spec = new WalkerTest.WalkerTestSpec(
                 assessMinIndelFraction + " -minIndelFrac 1", 1,
-                Arrays.asList("306296493ba67e425250f31606210806"));
+                Arrays.asList("c1bbd4998b7c6dffee1682d3e5c929cc"));
         executeTest("test minIndelFraction 1.0", spec);
     }
 }
diff --git a/public/java/test/org/broadinstitute/sting/gatk/walkers/phasing/PhaseByTransmissionIntegrationTest.java b/public/java/test/org/broadinstitute/sting/gatk/walkers/phasing/PhaseByTransmissionIntegrationTest.java
index fe132205d..e1b2212d6 100644
--- a/public/java/test/org/broadinstitute/sting/gatk/walkers/phasing/PhaseByTransmissionIntegrationTest.java
+++ b/public/java/test/org/broadinstitute/sting/gatk/walkers/phasing/PhaseByTransmissionIntegrationTest.java
@@ -86,7 +86,7 @@ public class PhaseByTransmissionIntegrationTest extends WalkerTest {
                         "-o %s"
                 ),
                 2,
-                Arrays.asList("e3c572f933a40e1878a2cfa52049517a","60e4f0be344fb944ab3378f9ab27da64")
+                Arrays.asList("e3c572f933a40e1878a2cfa52049517a","0de6cccfec929caa07cd0eeafacbfffd")
         );
         executeTest("testSpecialCases", spec);
     }
diff --git a/public/java/test/org/broadinstitute/sting/gatk/walkers/phasing/ReadBackedPhasingIntegrationTest.java b/public/java/test/org/broadinstitute/sting/gatk/walkers/phasing/ReadBackedPhasingIntegrationTest.java
index 4e515688a..e123587dd 100644
--- a/public/java/test/org/broadinstitute/sting/gatk/walkers/phasing/ReadBackedPhasingIntegrationTest.java
+++ b/public/java/test/org/broadinstitute/sting/gatk/walkers/phasing/ReadBackedPhasingIntegrationTest.java
@@ -26,7 +26,7 @@ public class ReadBackedPhasingIntegrationTest extends WalkerTest {
                 baseTestString(hg18Reference, "phasing_test_chr20_332341_1332503.bam", "phasing_test_chr20_332341_1332503.vcf", 20000, 10, 10)
                         + " -L chr20:332341-382503",
                 1,
-                Arrays.asList("9568ba0b6624b97ac55a59bdee2d9150"));
+                Arrays.asList("2520f93505fda28d44f618a0123d593b"));
         executeTest("MAX 10 het sites [TEST ONE]; require PQ >= 10", spec);
     }
 
@@ -36,7 +36,7 @@ public class ReadBackedPhasingIntegrationTest extends WalkerTest {
                 baseTestString(hg18Reference, "phasing_test_chr20_332341_1332503.bam", "phasing_test_chr20_332341_1332503.vcf", 20000, 10, 10)
                         + " -L chr20:1232503-1332503",
                 1,
-                Arrays.asList("ce65194c24fe83b0ec90faa6c8e6109a"));
+                Arrays.asList("965b8f448365b7f4a124d32e809eb048"));
         executeTest("MAX 10 het sites [TEST TWO]; require PQ >= 10", spec);
     }
 
@@ -46,7 +46,7 @@ public class ReadBackedPhasingIntegrationTest extends WalkerTest {
                 baseTestString(hg18Reference, "phasing_test_chr20_332341_1332503.bam", "phasing_test_chr20_332341_1332503.vcf", 20000, 2, 30)
                         + " -L chr20:332341-382503",
                 1,
-                Arrays.asList("02d134fd544613b1e5dd7f7197fc3753"));
+                Arrays.asList("60f5bb699335f47cdc505322c5be3803"));
         executeTest("MAX 2 het sites [TEST THREE]; require PQ >= 30", spec);
     }
 
@@ -56,7 +56,7 @@ public class ReadBackedPhasingIntegrationTest extends WalkerTest {
                 baseTestString(hg18Reference, "phasing_test_chr20_332341_1332503.bam", "phasing_test_chr20_332341_1332503.vcf", 20000, 5, 100)
                         + " -L chr20:332341-382503",
                 1,
-                Arrays.asList("2f7ec9904fc054c2ba1a7db05eb29334"));
+                Arrays.asList("023c2fb43b50807cfd46841ed6f0d215"));
         executeTest("MAX 5 het sites [TEST FOUR]; require PQ >= 100", spec);
     }
 
@@ -66,7 +66,7 @@ public class ReadBackedPhasingIntegrationTest extends WalkerTest {
                 baseTestString(hg18Reference, "phasing_test_chr20_332341_1332503.bam", "phasing_test_chr20_332341_1332503.vcf", 1000, 7, 10)
                         + " -L chr20:332341-482503",
                 1,
-                Arrays.asList("da7a31725f229d1782dd3049848730aa"));
+                Arrays.asList("e5e6e9f84d108d5b001aa53017d2801e"));
         executeTest("MAX 7 het sites [TEST FIVE]; require PQ >= 10; cacheWindow = 1000", spec);
     }
 
@@ -76,7 +76,7 @@ public class ReadBackedPhasingIntegrationTest extends WalkerTest {
                 baseTestString(hg18Reference, "phasing_test_chr20_332341_1332503.bam", "phasing_test_chr20_332341_1332503.vcf", 20000, 10, 10)
                         + " -L chr20:652810-681757",
                 1,
-                Arrays.asList("e9d35cb88089fb0e8ae6678bfaeeac8c"));
+                Arrays.asList("8fc53bfbea2754ff8577460786a3400c"));
         executeTest("MAX 10 het sites [TEST SIX]; require PQ >= 10; cacheWindow = 20000; has inconsistent sites", spec);
     }
 
diff --git a/public/java/test/org/broadinstitute/sting/gatk/walkers/variantutils/CombineVariantsIntegrationTest.java b/public/java/test/org/broadinstitute/sting/gatk/walkers/variantutils/CombineVariantsIntegrationTest.java
index 4b53ae4f7..49c47dc75 100755
--- a/public/java/test/org/broadinstitute/sting/gatk/walkers/variantutils/CombineVariantsIntegrationTest.java
+++ b/public/java/test/org/broadinstitute/sting/gatk/walkers/variantutils/CombineVariantsIntegrationTest.java
@@ -86,7 +86,7 @@ public class CombineVariantsIntegrationTest extends WalkerTest {
     @Test public void test1Indel1() { test1InOut("CEU.dindel.vcf4.trio.2010_06.indel.genotypes.vcf", "074e909f80ffcc9fddc3fac89ea36bef"); }
     @Test public void test1Indel2() { test1InOut("CEU.dindel.vcf4.low_coverage.2010_06.indel.genotypes.vcf", "f26980af214011c0452b8ce843f3063b"); }
 
-    @Test public void combineWithPLs() { combinePLs("combine.3.vcf", "combine.4.vcf", "7c337c8752abeffb0c9a4ee35d1a1451"); }
+    @Test public void combineWithPLs() { combinePLs("combine.3.vcf", "combine.4.vcf", "5bc1de1197506aced0f9e7a08b572c44"); }
 
     @Test public void combineTrioCalls() { combine2("CEU.trio.2010_03.genotypes.vcf.gz", "YRI.trio.2010_03.genotypes.vcf.gz", "", "06e86711bcf0efc0f0c4a378f6147cf6"); } // official project VCF files in tabix format
     @Test public void combineTrioCallsMin() { combine2("CEU.trio.2010_03.genotypes.vcf.gz", "YRI.trio.2010_03.genotypes.vcf.gz", " -minimalVCF", "03103f6b39e9fb7a396df0013f01fae6"); } // official project VCF files in tabix format
@@ -94,7 +94,7 @@ public class CombineVariantsIntegrationTest extends WalkerTest {
 
     @Test public void combineSNPsAndIndels() { combine2("CEU.trio.2010_03.genotypes.vcf.gz", "CEU.dindel.vcf4.low_coverage.2010_06.indel.genotypes.vcf", "", "7e2dba80ba38b2a86713f635d630eb59"); }
 
-    @Test public void uniqueSNPs() { combine2("pilot2.snps.vcf4.genotypes.vcf", "yri.trio.gatk_glftrio.intersection.annotated.filtered.chr1.vcf", "", "63fc20d6223e1387563a1164987d716c"); }
+    @Test public void uniqueSNPs() { combine2("pilot2.snps.vcf4.genotypes.vcf", "yri.trio.gatk_glftrio.intersection.annotated.filtered.chr1.vcf", "", "3950392e1b8b53ae363e705185ad1da9"); }
 
     @Test public void omniHM3Union() { combineSites(" -filteredRecordsMergeType KEEP_IF_ANY_UNFILTERED", "5c60eb8d5d4b957a0cf52ca008f021ba"); }
     @Test public void omniHM3Intersect() { combineSites(" -filteredRecordsMergeType KEEP_IF_ALL_UNFILTERED", "774b43e69cc7ec93090b4f6e9f4a1079"); }
@@ -110,7 +110,7 @@ public class CombineVariantsIntegrationTest extends WalkerTest {
                         " -priority NA19240_BGI,NA19240_ILLUMINA,NA19240_WUGSC,denovoInfo" +
                         " -genotypeMergeOptions UNIQUIFY -L 1"),
                 1,
-                Arrays.asList("988f9d294a8ff4278e40e76a72200bf4"));
+                Arrays.asList("948291bbf47d1cec692d0fe4358ff92c"));
         executeTest("threeWayWithRefs", spec);
     }
 
diff --git a/public/java/test/org/broadinstitute/sting/gatk/walkers/variantutils/LiftoverVariantsIntegrationTest.java b/public/java/test/org/broadinstitute/sting/gatk/walkers/variantutils/LiftoverVariantsIntegrationTest.java
index 03060b393..cc9a1c5b7 100755
--- a/public/java/test/org/broadinstitute/sting/gatk/walkers/variantutils/LiftoverVariantsIntegrationTest.java
+++ b/public/java/test/org/broadinstitute/sting/gatk/walkers/variantutils/LiftoverVariantsIntegrationTest.java
@@ -49,7 +49,7 @@ public class LiftoverVariantsIntegrationTest extends WalkerTest {
          WalkerTestSpec spec = new WalkerTestSpec(
                  "-T LiftoverVariants -o %s -R " + b36KGReference + " --variant:vcf3 " + validationDataLocation + "yri.trio.gatk_glftrio.intersection.annotated.filtered.chr1.500.noheader.unsortedSamples.vcf -chain " + validationDataLocation + "b36ToHg19.broad.over.chain -dict /seq/references/Homo_sapiens_assembly19/v0/Homo_sapiens_assembly19.dict",
                  1,
-                 Arrays.asList("3fd7ec2dc4064ef410786276b0dc9d08"));
+                 Arrays.asList("07d1bf52125d1f9a25e260e13ec7b010"));
          executeTest("test b36 to hg19, unsorted samples", spec);
     }
 
diff --git a/public/java/test/org/broadinstitute/sting/gatk/walkers/variantutils/SelectVariantsIntegrationTest.java b/public/java/test/org/broadinstitute/sting/gatk/walkers/variantutils/SelectVariantsIntegrationTest.java
index e1e550954..02a6674a0 100755
--- a/public/java/test/org/broadinstitute/sting/gatk/walkers/variantutils/SelectVariantsIntegrationTest.java
+++ b/public/java/test/org/broadinstitute/sting/gatk/walkers/variantutils/SelectVariantsIntegrationTest.java
@@ -18,7 +18,7 @@ public class SelectVariantsIntegrationTest extends WalkerTest {
         WalkerTestSpec spec = new WalkerTestSpec(
             baseTestString(" -sn A -se '[CDH]' -sf " + samplesFile + " -env -ef -select 'DP < 250' --variant " + testfile),
             1,
-            Arrays.asList("b3df647811b5f13aa8eac080705c1be9")
+            Arrays.asList("6cd82274335eeb0b449e571f38d54d3a")
         );
         spec.disableShadowBCF();
         executeTest("testComplexSelection--" + testfile, spec);
@@ -32,7 +32,7 @@ public class SelectVariantsIntegrationTest extends WalkerTest {
         WalkerTestSpec spec = new WalkerTestSpec(
             "-T SelectVariants -R " + b36KGReference + " -L 1:1-1000000 -o %s --no_cmdline_in_header -xl_sn A -xl_sf " + samplesFile + " --variant " + testfile,
             1,
-            Arrays.asList("64f0f3fc7297c21325f76222ccb48b1d")
+            Arrays.asList("bbd7b28d1c5701e17b395d64f8b6f13d")
         );
         spec.disableShadowBCF();
 
@@ -46,7 +46,7 @@ public class SelectVariantsIntegrationTest extends WalkerTest {
         WalkerTestSpec spec = new WalkerTestSpec(
                 baseTestString(" -sn A -sn B -sn C --variant " + testfile),
                 1,
-                Arrays.asList("20936f028bd073224f0adcdb0b9a8dfe")
+                Arrays.asList("77579c53dbde4e8171f3cee83b98351b")
         );
 
         executeTest("testRepeatedLineSelection--" + testfile, spec);
@@ -153,7 +153,7 @@ public class SelectVariantsIntegrationTest extends WalkerTest {
         WalkerTestSpec spec = new WalkerTestSpec(
                 "-T SelectVariants -R " + b37KGReference + " --variant " + testFile + " -o %s --no_cmdline_in_header",
                 1,
-                Arrays.asList("b96a09ae32cc3aa300adfba3b5ee71ce")
+                Arrays.asList("95c4d43b11c3d0dd3ab19941c474269b")
         );
 
         executeTest("testMultipleRecordsAtOnePositionFirstIsFiltered--" + testFile, spec);
@@ -168,7 +168,7 @@ public class SelectVariantsIntegrationTest extends WalkerTest {
         spec = new WalkerTestSpec(
             baseTestString(" -sn A -se '[CDH]' -sf " + samplesFile + " -env -ef -select 'DP < 250' --variant " + testfile + " -nt 2"),
             1,
-            Arrays.asList("b3df647811b5f13aa8eac080705c1be9")
+            Arrays.asList("6cd82274335eeb0b449e571f38d54d3a")
         );
         spec.disableShadowBCF();
         executeTest("testParallelization (2 threads)--" + testfile, spec);
@@ -182,7 +182,7 @@ public class SelectVariantsIntegrationTest extends WalkerTest {
             spec = new WalkerTestSpec(
             baseTestString(" -sn A -se '[CDH]' -sf " + samplesFile + " -env -ef -select 'DP < 250' --variant " + testfile + " -nt 4"),
             1,
-            Arrays.asList("b3df647811b5f13aa8eac080705c1be9")
+            Arrays.asList("6cd82274335eeb0b449e571f38d54d3a")
         );
         spec.disableShadowBCF();
 
@@ -196,7 +196,7 @@ public class SelectVariantsIntegrationTest extends WalkerTest {
         WalkerTestSpec spec = new WalkerTestSpec(
                 "-T SelectVariants -R " + b37KGReference + " -o %s --no_cmdline_in_header -sf " + samplesFile + " --excludeNonVariants --variant " + testfile,
                 1,
-                Arrays.asList("828b4c1ef6ea7e57aad626264cc2c8f6")
+                Arrays.asList("fa92b3b41f1c04f685be8de32afc9706")
         );
         executeTest("test select from multi allelic with excludeNonVariants --" + testfile, spec);
     }
diff --git a/public/java/test/org/broadinstitute/sting/gatk/walkers/variantutils/VCFStreamingIntegrationTest.java b/public/java/test/org/broadinstitute/sting/gatk/walkers/variantutils/VCFStreamingIntegrationTest.java
index 4747d57ed..88aa7c29a 100644
--- a/public/java/test/org/broadinstitute/sting/gatk/walkers/variantutils/VCFStreamingIntegrationTest.java
+++ b/public/java/test/org/broadinstitute/sting/gatk/walkers/variantutils/VCFStreamingIntegrationTest.java
@@ -60,7 +60,7 @@ public class VCFStreamingIntegrationTest extends WalkerTest {
                     " --no_cmdline_in_header " +
                     " -o %s",
             1,
-            Arrays.asList("c145288a9f2dbe3684cace4968f8ca04")
+            Arrays.asList("c5e93b0e2e8610785d43e5d9e7fb5a7b")
         );
 
         executeTest("testSimpleVCFStreaming", spec);
diff --git a/public/java/test/org/broadinstitute/sting/gatk/walkers/variantutils/VariantsToVCFIntegrationTest.java b/public/java/test/org/broadinstitute/sting/gatk/walkers/variantutils/VariantsToVCFIntegrationTest.java
index 1d990dc4a..fa41d49dc 100755
--- a/public/java/test/org/broadinstitute/sting/gatk/walkers/variantutils/VariantsToVCFIntegrationTest.java
+++ b/public/java/test/org/broadinstitute/sting/gatk/walkers/variantutils/VariantsToVCFIntegrationTest.java
@@ -89,7 +89,7 @@ public class VariantsToVCFIntegrationTest extends WalkerTest {
     @Test
     public void testGenotypesToVCFUsingVCFInput() {
         List<String> md5 = new ArrayList<String>();
-        md5.add("86f02e2e764ba35854cff2aa05a1fdd8");
+        md5.add("b1ddde7efff9c405f8f92f0a636cd919");
 
         WalkerTest.WalkerTestSpec spec = new WalkerTest.WalkerTestSpec(
                 "-R " + b36KGReference +
diff --git a/public/java/test/org/broadinstitute/sting/utils/variantcontext/VariantContextTestProvider.java b/public/java/test/org/broadinstitute/sting/utils/variantcontext/VariantContextTestProvider.java
index f54241904..6ff6b5aa1 100644
--- a/public/java/test/org/broadinstitute/sting/utils/variantcontext/VariantContextTestProvider.java
+++ b/public/java/test/org/broadinstitute/sting/utils/variantcontext/VariantContextTestProvider.java
@@ -294,7 +294,7 @@ public class VariantContextTestProvider {
             final Genotype homVar = new Genotype("homVar", Arrays.asList(alt1, alt1));
             addGenotypeTests(site, homRef, het);
             addGenotypeTests(site, homRef, het, homVar);
-            final List<Allele> noCall = new ArrayList<Allele>();
+            final List<Allele> noCall = Arrays.asList(Allele.NO_CALL, Allele.NO_CALL);
 
             // ploidy
             if ( ENABLE_PLOIDY_TESTS ) {
@@ -526,7 +526,8 @@ public class VariantContextTestProvider {
 
     private static void assertAttributesEquals(final Object actual, final Object expected) {
         if ( expected instanceof Double ) {
-            BaseTest.assertEqualsDoubleSmart(actual, (Double)expected);
+            // must be very tolerant because doubles are being rounded to 2 sig figs
+            BaseTest.assertEqualsDoubleSmart(actual, (Double)expected, 1e-2);
         } else
             Assert.assertEquals(actual, expected);
     }
diff --git a/public/java/test/org/broadinstitute/sting/utils/variantcontext/writer/VariantContextWritersUnitTest.java b/public/java/test/org/broadinstitute/sting/utils/variantcontext/writer/VariantContextWritersUnitTest.java
index a16cb51b3..ce52d4869 100644
--- a/public/java/test/org/broadinstitute/sting/utils/variantcontext/writer/VariantContextWritersUnitTest.java
+++ b/public/java/test/org/broadinstitute/sting/utils/variantcontext/writer/VariantContextWritersUnitTest.java
@@ -102,7 +102,7 @@ public class VariantContextWritersUnitTest extends BaseTest {
     //
     // --------------------------------------------------------------------------------
 
-    @Test(enabled = false, dataProvider = "VariantContextTest_SingleContexts")
+    @Test(enabled = true, dataProvider = "VariantContextTest_SingleContexts")
     public void testVCF4WriterReader(final VariantContextTestProvider.VariantContextTestData testData) throws IOException {
         VariantContextTestProvider.testReaderWriter(new VCFIOTester(), testData);
     }