'Should return immediately if is_open property is false.'

def test_returns_immediately_if_not_is_open(self):

    instance = self.test_instance
    instance._is_open = False
    instance.pidfile = object()
    expect_mock_output = '                                                '
    self.mock_tracker.clear()
    instance.close()
    self.failUnlessMockCheckerMatch(expect_mock_output)
