def METHOD_NAME(self, test_client, db_session, auth_headers):
    """Should return all records and a 200 response code"""
    batch_size = 3
    variances = VarianceFactory.create_batch(size=batch_size)
    get_resp = test_client.get('/variances', headers=auth_headers['full_auth_header'])
    get_data = json.loads(get_resp.data.decode())
    assert get_resp.status_code == 200
    assert len(get_data['records']) == batch_size
    assert all(
        str(variance.variance_guid) in map(lambda v: v['variance_guid'], get_data['records'])
        for variance in variances)
    assert all(
        variance.variance_no in map(lambda v: v['variance_no'], get_data['records'])
        for variance in variances)