@Test
  public void testTruncateInvalidAutoPurge() throws Exception {
    LOG.info("Running " + name.getMethodName());
    testUtil("invalid", false, false, true, name.getMethodName());
  }
Tests when auto.purge is set to false on a partitioned external table, older data is moved to
Trash when insert overwrite table .. is run

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