these checks are done in `test_archiver.py` file (https://github.com/Work4Labs/gooddata-python/blob/191608d55354e6db597640733a1f1f66c9758041/tests/test_archiver.py). There is no need to test them here I think. It's true that basically, this test nothing but the fact that no exception raises due to the use of `no_upload` and `keep_csv` keywords. In fact, I would like to check that no connection to GD API is made, but I don't know how exactly...