'Test error in the child raised in the parent for a bad args[0].'

def test_exception_bad_args_0(self):

    desired_exception = self._get_chdir_exception()
    try:
        p = subprocess.Popen([self._nonexistent_dir, '-c', ''])
    except OSError as e:
        self.assertEqual(desired_exception.errno, e.errno)
        self.assertEqual(desired_exception.strerror, e.strerror)
    else:
        self.fail(('Expected    OSError:    %s' % desired_exception))
