@Test
  public void testGetPartitionSpecs_WithAndWithoutPartitionGrouping() {
    testGetPartitionSpecs(true);
    testGetPartitionSpecs(false);
  }
Test for HiveMetaStoreClient.listPartitionSpecs() and HiveMetaStoreClient.listPartitionSpecsByFilter().
Check behaviour with and without Partition-grouping enabled.
standalone-metastore/metastore-server/src/test/java/org/apache/hadoop/hive/metastore/TestHiveMetaStorePartitionSpecs.java