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

app/src/modbus.py

@@ -16,10 +16,7 @@ import logging
 import asyncio
 from typing import Generator, Callable
 
-if __name__ == "app.src.modbus":
-    from app.src.infos import Register, Fmt
-else:  # pragma: no cover
-    from infos import Register, Fmt
+from infos import Register, Fmt
 
 logger = logging.getLogger('data')