Tests

Fix value-in-container narrowing regression #22340

Job	Run time
Test mypyc suite with 32-bit Python	5m 16s
Test suite with py311-ubuntu	5m 17s
Test suite with py314-ubuntu, mypyc-compiled	5m 18s
Test suite with py310-ubuntu, mypyc-compiled	5m 18s
Test suite with py315-ubuntu, mypyc-compiled	5m 16s
Test suite with py314t-ubuntu, mypyc-compiled	5m 18s
Test suite with py312-ubuntu	5m 18s
Parallel tests with py314-windows-64, interpreted	5m 17s
mypyc runtime tests with py313-macos	5m 18s
Test suite with py313-ubuntu, mypyc-compiled	5m 17s
Formatting and code style with Black + ruff	1m 57s
Type check our own code (py310-windows-64)	2m 33s
mypyc runtime tests with py310-ubuntu	5m 16s
Type check our own code (py310-ubuntu)	1m 10s
Test suite with py314-windows-64	5m 14s
Parallel tests with py314-ubuntu, mypyc-compiled	5m 17s
Parallel tests with py314-ubuntu, interpreted	5m 17s
	1h 19m 37s

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