I cut my CI wait from 25 minutes to about 12 and checked that no test was dropped

<h2> The wait </h2> <p>umwayi-os is a Python command line with a large test suite. It has more than 2,000 tests. They run on every pull request, on Python 3.10, 3.11, 3.12 and 3.13. The core uses only the standard library, so the tests start real child processes in temporary folders. That makes them thorough and slow. The code is public: <a href="https://github.com/Miguel-Shinyenyi/umwayi-os" rel=

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