def test_changeWorkingDirectory(self):
        self.runner.setupEnvironment(None, "/foo/bar", True, None, None)
        self.assertEqual(self.cwd, "/foo/bar")
L{UnixApplicationRunner.setupEnvironment} changes the working directory
dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/test/test_twistd.py/UnixApplicationRunnerSetupEnvironmentTests.test_changeWorkingDirectory