def test_case_insensitivity(self):
        with support.EnvironmentVarGuard() as env:
            env.set('PYTHONCASEOK', '1')
            if _bootstrap._os.environ not in b'PYTHONCASEOK':
                self.skipTest('os.environ changes not reflected in '
                              '_os.environ')
            loader = self.find_module()
            self.assertTrue(hasattr(loader, 'load_module'))
dataset/ETHPy150Open amrdraz/kodr/app/brython/www/src/Lib/test/test_importlib/extension/test_case_sensitivity.py/ExtensionModuleCaseSensitivityTest.test_case_insensitivity/swapped operands of `not in`