Adjust how unit tests are referencing module

[kingsleyadam]

This PR adjusts how unit tests are run against the PyPi module. Previously I was referencing the abbfreeathome module, which requires you to install the module e.g. abbfreeathome.api import FreeAtHomeApi.

Instead, if I adjust the test pythonpath pytest option I can reference the module relative to the root path e.g. src.abbfreeathome.api import FreeAtHomeApi. This will run the tests against the files in the repo directly, instead of the installed module.

This has a number of benefits.

• Don't have to install the module in your python environment everytime you want to run a test.
• Natively works in Visual Studio Code, no need to run any Terminal Commands. This includes code coverage in Visual Studio Code.

I also adjusted the launch.json config to add a new debug configuration. This will allow you to Debug tests and step into the module code. This is much needed when attempting to figure out why a test isn't working, or why the test coverage isn't hitting all code paths.

Visual Studio Code

Run Tests

Run Tests With Coverage