public InternalCassandraEmbeddedGraphTest() {
   super(
       CassandraStorageSetup.getEmbeddedCassandraPartitionGraphConfiguration(
           InternalCassandraEmbeddedGraphTest.class.getSimpleName()));
 }
 public InternalCassandraEmbeddedGraphConcurrentTest() {
   super(CassandraStorageSetup.getEmbeddedCassandraPartitionGraphConfiguration());
 }
 @Override
 public WriteConfiguration getConfiguration() {
   return CassandraStorageSetup.getAstyanaxGraphConfiguration(getClass().getSimpleName());
 }
 @BeforeClass
 public static void startCassandra() {
   CassandraStorageSetup.startCleanEmbedded();
 }
 @Override
 public KeyColumnValueStoreManager openStorageManager() throws BackendException {
   return new CassandraEmbeddedStoreManager(
       CassandraStorageSetup.getEmbeddedConfiguration(getClass().getSimpleName()));
 }
 @Override
 public KeyColumnValueStoreManager openStorageManager() throws StorageException {
   return new AstyanaxStoreManager(CassandraStorageSetup.getCassandraStorageConfiguration());
 }