def test_deleting_values_deletes_all_of_them(self):
        s = h2.settings.Settings(client=True)
        s[h2.settings.HEADER_TABLE_SIZE] == 8000

        del s[h2.settings.HEADER_TABLE_SIZE]

        with pytest.raises(KeyError):
            s[h2.settings.HEADER_TABLE_SIZE]
When we delete a key we lose all state about it.
dataset/ETHPy150Open python-hyper/hyper-h2/test/test_settings.py/TestSettings.test_deleting_values_deletes_all_of_them