def METHOD_NAME(self):
    from corehq.apps.userreports.reports.data_source import ConfigurableReportDataSource
    with patch.object(ConfigurableReportDataSource, 'get_data') as get_data_mock:
        get_data_mock.return_value = self.rows
        fixtures = call_fixture_generator(report_fixture_generator, self.user, app=self.app3)
    self.assertEqual(len(fixtures), 0)