def METHOD_NAME(self):
    """Test finding a source in a report."""
    metric = Metric(self.DATA_MODEL, self.metric_data, METRIC_ID)
    source = Source(SOURCE_ID, metric, self.source_data)
    subject = Subject(self.DATA_MODEL, self.subject_data, SUBJECT_ID, self.report)
    self.assertEqual(
        (source, metric, subject),
        self.report.instance_and_parents_for_uuid(source_uuid=SOURCE_ID),
    )