def _provider_config_missing(self, provider):
        raise UsageError(
            "Configuration file must include a "
            "{!r} config stanza.".format(provider)
        )
If several warnings are emitted by a test, L{TestCase.flushWarnings}
dataset/ETHPy150Open ClusterHQ/flocker/admin/acceptance.py/CommonOptions._provider_config_missing--crossover with--dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/trial/test/test_warning.py/FlushWarningsTests.test_several