def METHOD_NAME(self):
    # With missing columns on a given line. It should not work.
    path = "/import/csv/projects/%s/assets" % self.project.id
    file_path_fixture = self.get_fixture_file_path(
        os.path.join("csv", "assets_broken_02.csv")
    )
    result = self.upload_file(path, file_path_fixture, 400)
    if not isinstance(result, str):
        result = result.decode("utf-8")
    error = json.loads(result)
    self.assertEqual(error["message"], "Could not determine delimiter")
    entities = Entity.query.all()
    self.assertEqual(len(entities), 0)