public boolean isPopulateMetadata() {
    return _populateMetadata;
  }
@Test
  public void testIsPopulateRowMetadata() {
    // test default
    KafkaPartitionLevelStreamConfig config = getStreamConfig("topic", "host1", null, null, null, null, null, null);
    Assert.assertFalse(config.isPopulateMetadata());

    config = getStreamConfig("topic", "host1", null, null, null, null, null, "bad value");
    Assert.assertFalse(config.isPopulateMetadata());

    config = getStreamConfig("topic", "host1", null, null, null, null, null, "TrUe");
    Assert.assertTrue(config.isPopulateMetadata());
  }