@Test
  public void testSetStoragePolicyInvalid() throws Exception {
    verifyFileInDirWithStoragePolicy(INVALID_STORAGE_POLICY);
  }
Note: currently the default policy is set to defer to HDFS and this case is to verify the
logic, will need to remove the check if the default policy is changed
hbase-server/src/test/java/org/apache/hadoop/hbase/util/TestFSUtils.java