S allius/pytest (#211)

* - fix pytest setup that can be startet from the rootdir
  - support python venv environment
  - add pytest.ini
  - move common settings from .vscode/settings.json into pytest.ini
  - add missing requirements
  - fix import paths for pytests

* - support python venv environment

* initial version

* - add missing requirements python-dotenv

* fix import paths for pytests

* fix pytest warnings

* initial version

* report 5 slowest test durations

* add more vscode settings for python

pytest.ini

@@ -0,0 +1,8 @@
+# pytest.ini or .pytest.ini
+[pytest]
+minversion = 8.0
+addopts = -ra -q --durations=5
+pythonpath = app/src
+testpaths = app/tests
+asyncio_default_fixture_loop_scope = function 
+asyncio_mode = strict