@Test
  public void testAutoPurgeInvalid() throws Exception {
    LOG.info("Running " + name.getMethodName());
    testUtil("invalid", false, false, false, name.getMethodName());
  }
Tests when auto.purge is set to a invalid string, trash should be used for insert overwrite
queries

@throws Exception
itests/hive-unit/src/test/java/org/apache/hadoop/hive/ql/TestAutoPurgeTables.java