def list_tests(self) -> List[str]:
        """List the test files that are part of the suite being split."""
        suite_config = suitesconfig.get_suite(self.config_options.suite)
        test_list = []
        for tests in suite_config.tests:
            # `tests` could return individual tests or lists of tests, we need to handle both.
            if isinstance(tests, list):
                test_list.extend(tests)
            else:
                test_list.append(tests)

        return test_list
 def list_tests(self):
     """List the test files that are part of the suite being split."""
     return suitesconfig.get_suite(self.config_options.suite).tests
 def list_tests(self):
     """List the test files that are part of the suite being split."""
     return suitesconfig.get_suite(self.config_options.suite).tests