Fix inaccurate javadoc for new junit test

src/test/java/org/dataone/hashstore/hashstoreconverter/FileHashStoreLinksTest.java

@@ -177,7 +177,7 @@ public void storeHardLink_alreadyExists() throws Exception {
     }
 
     /**
-     * Check that storeHardLink creates hard link and returns the correct ObjectMetadata cid
+     * Check that storeHardLink throws nonMatchingChecksumException when values do not match
      */
     @Test
     public void storeHardLink_nonMatchingChecksum() throws Exception {