def test_get_etag_header(self):
        response = self.get_response('/tracks/1', 200)
        assert 'ETag' in response.headers
        etag_value = response.headers['ETag']
        cached_response = self.get_response('/tracks/1', 304, headers={'If-None-Match': etag_value}, has_data=False)
Get membership of a group.
dataset/ETHPy150Open jeffknupp/sandman/tests/test_sandman.py/TestSandmanBasicVerbs.test_get_etag_header--crossover with--dataset/ETHPy150Open google/macops/gmacpyutil/gmacpyutil/ds.py/GetGroupMembership