Github actions has max matrix size of 256 which will soon be a limiting factor

[danielbraun89]

Currently each feature test is being run in its own action runner which is limited by github to 256 (https://docs.github.com/en/actions/using-jobs/using-a-matrix-for-your-jobs)

Possible solution is to run the tests in a single runner

Must ensure:

• it is highly parallel in order to decrease run time
• can print logs of all tests in a structured and easily read order

[jcbhmr]

it is highly parallel in order to decrease run time

A comment: I think this should be secondary. First up on the docket is to get it working.

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Does devcontainer features test work with the current repo layout? That would seem like the ideal way to go about this. Maybe with a loop that does each one individually?