Tests

Fix narrowing for AbstractSet and Mapping (#21352) #22068

Job	Run time
Test mypyc suite with 32-bit Python	10m 13s
Formatting and code style with Black + ruff	1m 54s
mypyc runtime tests with py310-ubuntu	6m 36s
Test suite with py314-ubuntu, mypyc-compiled	15m 35s
Test suite with py311-ubuntu	9m 3s
mypyc runtime tests with py313-macos	8m 37s
Parallel tests with py314-windows-64, interpreted	16m 52s
Parallel tests with py314-ubuntu, interpreted	27m 7s
Test suite with py313-ubuntu, mypyc-compiled	15m 43s
Test suite with py310-ubuntu, mypyc-compiled	16m 42s
Test suite with py314t-ubuntu, mypyc-compiled	16m 56s
Test suite with py314-windows-64	30m 30s
Type check our own code (py310-ubuntu)	1m 11s
Test suite with py312-ubuntu	9m 48s
Type check our own code (py310-windows-64)	2m 0s
Parallel tests with py314-ubuntu, mypyc-compiled	27m 48s
	3h 36m 35s

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