monkeypatch.delenv('DBAAS_SERVICE_PORT', raising=False)
monkeypatch.delenv('DBAAS_SERVICE_SENTINEL_PORT', raising=False)
monkeypatch.delenv('DBAAS_MASTER_NAME', raising=False)
monkeypatch.delenv('DBAAS_SERVICE_PORT', raising=False)
monkeypatch.delenv('DBAAS_SERVICE_SENTINEL_PORT', raising=False)
monkeypatch.delenv('DBAAS_MASTER_NAME', raising=False)