import pytest class ServerMixin: @pytest.fixture def get_storage_args( self, request, tmpdir, slow_create_collection, radicale_server, ): def inner(collection="test"): url = "http://127.0.0.1:8001/" args = { "url": url, "username": "radicale", "password": "radicale", } if collection is not None: args = slow_create_collection(self.storage_class, args, collection) return args return inner