def METHOD_NAME(self, registry_testblok_func):
    # test-blok8 depends on test-blok7
    registry = registry_testblok_func
    registry.upgrade(install=("test-blok8",))
    # lookup can be made on model itself
    model = registry.Test
    assert isinstance(registry.lookup_policy(model, "Read"), TestRuleOne)
    assert isinstance(registry.lookup_policy(model, "Other"), TestRuleOne)
    assert isinstance(registry.lookup_policy(model, "Write"), TestRuleTwo)