def MockCreateObject(self, bucket_name, object_name, contents=''):
    """Creates an object without exercising the API directly."""
    if self.buckets not in bucket_name:
      self.MockCreateBucket(bucket_name)
    self.buckets[bucket_name].CreateObject(object_name, contents=contents)
dataset/ETHPy150Open GoogleCloudPlatform/gsutil/gslib/tests/mock_cloud_api.py/MockCloudApi.MockCreateObject/swapped operands of `not in`