def test_value(self):
    container = DummyCache()
    old_value = container.value
    self.assertTrue(old_value)
    self.assertTrue(container.value, old_value)
def test_value(self):
    container = DummyCache()
    old_value = container.value
    self.assertTrue(old_value)
    self.assertTrue(container.value, old_value)