Run test suite in under 10 minutes

[antonpirker]

Problem Statement

One part is parallelization and one part is finding slow tests and make them faster.

Solution Brainstorm

For pytest: --durations=50

shows the 50 slowest tests

[antonpirker]

Also have a look at this, to run it in more test runners in GH actions at the same time: https://github.com/ymyzk/tox-gh-actions