def METHOD_NAME(self, rollback_registry):
    registry = rollback_registry
    Blok = registry.System.Blok
    res = {
        "short_description": {
            "id": "short_description",
            "label": "Short description",
            "model": None,
            "nullable": True,
            "primary_key": False,
            "type": "Function",
        }
    }
    assert Blok.fields_description(fields=["short_description"]) == res
    Blok.loaded_fields["short_description"] = "Test"
    assert Blok.fields_description(fields=["short_description"]) == res
    Blok.clear_all_model_caches()
    assert Blok.fields_description(fields=["short_description"]) != res