re-enable test; I was moving the input file in prep for my last commit around on Eric, so he rightfully removed the test

git-svn-id: file:///humgen/gsa-scr1/gsa-engineering/svn_contents/trunk@3838 348d0f76-0448-11de-a6fe-93d51630548a

java/test/org/broadinstitute/sting/gatk/refdata/tracks/builders/TribbleRMDTrackBuilderUnitTest.java

@@ -62,7 +62,7 @@ public class TribbleRMDTrackBuilderUnitTest extends BaseTest {
         Assert.assertTrue(classes.size() > 0);
     }
 
-    //@Test
+    @Test
     // in this test, the index exists, but is out of date.
     public void testBuilderIndexUnwriteable() {
         File vcfFile = new File(validationDataLocation + "/ROD_validation/read_only/relic.vcf");