def METHOD_NAME(self, file1, file2):
    with open(file1, 'r') as f1, open(file2, 'r') as f2:
        file1_contents = json.load(f1)
        file2_contents = json.load(f2)
    self.assertStructuredAlmostEqual(
        file2_contents, file1_contents, allow_second_superset=True
    )