Method check_incompatible

Lib/test/test_import/__init__.py:2481–2487

(setting, override)

            self.assertEqual(out, b'okay')

        def check_incompatible(setting, override):
            out = self.run_here(
                module,
                check_singlephase_setting=setting,
                check_singlephase_override=override,
            )
            self.assertNotEqual(out, b'okay')

        with self.subTest('config: check enabled; override: enabled'):
            check_incompatible(True, 1)