Create decent test framework

[thestumonkey]

In order to reduce future issues, we need to expand our testing framework. The system should:

• Be easy to see what tests we have and the expected results
• Easy to run locally
• Can be run with github actions

Stretch goal:

• leverage AI to make tests in the background.

[linear]

FRI-30 Create decent test framework

[AnkushMalaker]

Looks like this is done too!