async def METHOD_NAME(self, client):
    assert Colors.RED_COLOR ==  (await client.enum.get_not_expandable())
    await client.enum.put_not_expandable('red color')
    await client.enum.put_not_expandable(Colors.RED_COLOR)
    with pytest.raises(HttpResponseError):
        await client.enum.put_not_expandable('not a colour')