Fix tests.

openlobby/core/tests.py

openlobby/core/tests/__init__.py

openlobby/core/tests/conftest.py

openlobby/core/tests/snapshots/__init__.py

openlobby/core/tests/snapshots/snap_test_management.py

openlobby/core/tests/test_auth.py

openlobby/core/tests/test_documents.py

openlobby/core/tests/test_management.py

openlobby/core/tests/test_paginator.py

openlobby/core/tests/test_sanitizers.py

pytest.ini

requirements.txt