RUN_SLOW=1 pytest -sv tests/models/brand_new_bert/test_modeling_brand_new_bert.py::BrandNewBertModelIntegrationTests

In case you are using Windows, you should replace RUN_SLOW=1 with SET RUN_SLOW=1

Second, all features that are special to brand_new_bert should be tested additionally in a separate test under
BrandNewBertModelTester/`BrandNewBertModelTest. This part is often forgotten but is extremely useful in two
ways: