Tests

Avoid various NamedTuples #21936

Job	Run time
Test mypyc suite with 32-bit Python	10m 50s
Test suite with py311-ubuntu	9m 8s
Test suite with py310-ubuntu, mypyc-compiled	16m 22s
Test suite with py314t-ubuntu, mypyc-compiled	17m 54s
Test suite with py312-ubuntu	9m 59s
Test suite with py314-ubuntu, mypyc-compiled	15m 22s
Test suite with py314-windows-64	30m 26s
Test suite with py313-ubuntu, mypyc-compiled	15m 57s
Parallel tests with py314-ubuntu, interpreted	25m 9s
mypyc runtime tests with py313-macos	7m 6s
Formatting and code style with Black + ruff	1m 52s
Type check our own code (py310-ubuntu)	1m 11s
Parallel tests with py314-ubuntu, mypyc-compiled	26m 57s
mypyc runtime tests with py310-ubuntu	6m 34s
Type check our own code (py310-windows-64)	2m 3s
Parallel tests with py314-windows-64, interpreted	11m 52s
	3h 28m 42s

Provide feedback