ci(tests): run full suite in Desktop CI

- switch unittest to discover test_*.py

- include all current test modules in py_compile

.gitea/workflows/ci.yml

@@ -28,8 +28,8 @@ jobs:
 
       - name: Validate syntax
         run: |
-          python -m py_compile app_version.py main.py build.py tests/test_auth_relogin_smoke.py
+          python -m py_compile app_version.py main.py build.py tests/test_auth_relogin_smoke.py tests/test_auto_update_service.py tests/test_chat_actions.py tests/test_token_store.py
 
       - name: Run tests
         run: |
-          python -m unittest tests/test_auth_relogin_smoke.py
+          python -m unittest discover -s tests -p "test_*.py" -v