BulkMutationWrapper implements IBulkMutation { @Override public void sendUnsent() { delegate.sendUnsent(); } BulkMutationWrapper(BulkMutation bulkMutation); @Override ApiFuture<Void> add(RowMutationEntry rowMutation); @Override void sendUnsent(); @Override void flush(); @Override void close();  }
@Test public void testSendUnsend() { doNothing().when(mockDelegate).sendUnsent(); bulkWrapper.sendUnsent(); verify(mockDelegate).sendUnsent(); }