TESTS: ignore the `requirements` and `certs` directory when collecting tests

test/pytest.ini

@@ -1,3 +1,3 @@
 [pytest]
 # disable the creation of the `.cache` folders
-addopts = -p no:cacheprovider -r s -v
+addopts = -p no:cacheprovider --ignore=requirements --ignore=certs -r s -v