diff --git a/protected/gatk-protected/src/test/java/org/broadinstitute/sting/gatk/walkers/variantrecalibration/VariantRecalibrationWalkersIntegrationTest.java b/protected/gatk-protected/src/test/java/org/broadinstitute/sting/gatk/walkers/variantrecalibration/VariantRecalibrationWalkersIntegrationTest.java
index c30ef43e5..c4de50b25 100644
--- a/protected/gatk-protected/src/test/java/org/broadinstitute/sting/gatk/walkers/variantrecalibration/VariantRecalibrationWalkersIntegrationTest.java
+++ b/protected/gatk-protected/src/test/java/org/broadinstitute/sting/gatk/walkers/variantrecalibration/VariantRecalibrationWalkersIntegrationTest.java
@@ -89,9 +89,9 @@ public class VariantRecalibrationWalkersIntegrationTest extends WalkerTest {
     }
 
     VRTest lowPass = new VRTest(validationDataLocation + "phase1.projectConsensus.chr20.raw.snps.vcf",
-            "6f029dc7d16e63e19c006613cd0a5cff",  // tranches
-            "73c7897441622c9b37376eb4f071c560",  // recal file
-            "11a28df79b92229bd317ac49a3ed0fa1"); // cut VCF
+            "41e2d951a17de433fe378bb3d9ec75d4",  // tranches
+            "04336b2453202f286da05b69e57f66ed",  // recal file
+            "d29fd0bdc1c8c3a171e10d29f7ffeaec"); // cut VCF
 
     VRTest lowPassPlusExomes = new VRTest(validationDataLocation + "phase1.projectConsensus.chr20.raw.snps.vcf",
             validationDataLocation + "1kg_exomes_unfiltered.AFR.unfiltered.vcf",
@@ -109,7 +109,7 @@ public class VariantRecalibrationWalkersIntegrationTest extends WalkerTest {
         return new Object[][]{ {lowPassPlusExomes} };
     }
 
-    @Test(dataProvider = "VRTest", enabled = false)
+    @Test(dataProvider = "VRTest")
     public void testVariantRecalibrator(VRTest params) {
         //System.out.printf("PARAMS FOR %s is %s%n", vcf, clusterFile);
         WalkerTest.WalkerTestSpec spec = new WalkerTest.WalkerTestSpec(
@@ -129,7 +129,7 @@ public class VariantRecalibrationWalkersIntegrationTest extends WalkerTest {
         executeTest("testVariantRecalibrator-"+params.inVCF, spec).getFirst();
     }
 
-    @Test(dataProvider = "VRTest",dependsOnMethods="testVariantRecalibrator", enabled = false)
+    @Test(dataProvider = "VRTest",dependsOnMethods="testVariantRecalibrator")
     public void testApplyRecalibration(VRTest params) {
         WalkerTest.WalkerTestSpec spec = new WalkerTest.WalkerTestSpec(
                 "-R " + b37KGReference +
diff --git a/public/gatk-framework/src/test/java/org/broadinstitute/sting/utils/MWUnitTest.java b/public/gatk-framework/src/test/java/org/broadinstitute/sting/utils/MWUnitTest.java
index d29f448d6..312e4d5b1 100644
--- a/public/gatk-framework/src/test/java/org/broadinstitute/sting/utils/MWUnitTest.java
+++ b/public/gatk-framework/src/test/java/org/broadinstitute/sting/utils/MWUnitTest.java
@@ -43,7 +43,7 @@ public class MWUnitTest extends BaseTest {
     @BeforeClass
     public void init() { }
 
-    @Test(enabled = false)
+    @Test
     private void testMWU() {
         logger.warn("Testing MWU");
         MannWhitneyU mwu = new MannWhitneyU();
@@ -93,7 +93,7 @@ public class MWUnitTest extends BaseTest {
 
         // tests using the hypothesis that set 1 dominates set 2 (U value = 30) -- empirical should be identical, normall approx close, uniform way off
         Assert.assertEquals(MannWhitneyU.calculatePNormalApproximation(sizes.second,sizes.first,30L,true).second,2.0*0.08216463976903321,1e-14);
-        Assert.assertEquals(MannWhitneyU.calculatePUniformApproximation(sizes.second,sizes.first,30L),0.0023473625009328147,1e-14);
+        Assert.assertEquals(MannWhitneyU.calculatePUniformApproximation(sizes.second,sizes.first,30L),0.0023473625009559074,1e-14);
         Assert.assertEquals(MannWhitneyU.calculatePRecursively(sizes.second,sizes.first,30L,false,pm).second,0.021756021756021756,1e-14); // note -- exactly same value as above
         Assert.assertEquals(MannWhitneyU.calculatePRecursively(sizes.second,sizes.first,29L,false,cm).second,1.0-0.08547008547008,1e-14); // r does a correction, subtracting 1 from U
         Assert.assertEquals(MannWhitneyU.calculatePRecursively(sizes.second,sizes.first,11L,false,cm).second,0.08547008547008,1e-14); // r does a correction, subtracting 1 from U