@staticmethod
    @raises(IOError)
    def test_no_config_file_raises():
        load_yaml([])
Replace the contents of os.environ with a frozen env + request data.
dataset/ETHPy150Open coursera/dataduct/dataduct/config/tests/test_config.py/TestConfig.test_no_config_file_raises--crossover with--dataset/ETHPy150Open GoogleCloudPlatform/python-compat-runtime/appengine-vmruntime/vmruntime/middleware.py/reset_environment_middleware