def test_results(self):
        """
        Running a suite in which all methods are individually set to skip
        produces a successful result with no recorded errors or failures, all
        the skipped methods recorded as skips, and no methods recorded as
        successes.
        """
        self.suite(self.reporter)
        self.assertTrue(self.reporter.wasSuccessful())
        self.assertEqual(self.reporter.errors, [])
        self.assertEqual(self.reporter.failures, [])
        self.assertEqual(len(self.reporter.skips), 3)
        self.assertEqual(self.reporter.successes, 0)

        Running a suite in which all methods are individually set to skip
        produces a successful result with no recorded errors or failures, all
        the skipped methods recorded as skips, and no methods recorded as
        successes.
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/trial/test/test_tests.py