Fixing Windows unit tests

Author: GraciesPadre

ds3-sdk/src/test/java/com/spectralogic/ds3client/metadata/MetadataReceivedListenerImpl_Test.java

@@ -134,7 +134,7 @@ public void testGettingMetadataFailureHandler() throws IOException, InterruptedE
         }
     }
 
-    @Test(expected = IOException.class)
+    @Test(expected = RuntimeException.class)
     public void testGettingMetadataFailureHandlerWindows() throws IOException, InterruptedException {
         Assume.assumeTrue(Platform.isWindows());