def METHOD_NAME(self):
    got = _run_test(
        "TEST_VAR",
        ".*",
        [
            # Passing RegexTest because 'test' matches '.*'.
            RegexTest(val="test", should_match=True),
            # Failing RegexTest because 'test' matches '.*'.
            RegexTest(val="test", should_match=False)
        ])
    self.assertEqual(got.regex_error, "")
    self.assertTrue(got.failing_matches)