def METHOD_NAME(self):
    drain_method = drain_lib.HTTPDrainMethod(
        "fake_service", "fake_instance", ["fake_nerve_ns"], {}, {}, {}, {}
    )
    # Happy case
    assert drain_method.check_response_code(200, "200-299") is True
    # Sad case
    assert drain_method.check_response_code(500, "200-299") is False