Tests

Fix generic NamedTuple class pattern matching #21493

Job	Run time
Test mypyc suite with 32-bit Python	10m 39s
Test suite with py314t-ubuntu, mypyc-compiled	20m 49s
Type check our own code (py310-ubuntu)	1m 40s
Parallel tests with py314-ubuntu, mypyc-compiled	26m 57s
Parallel tests with py314-windows-64, interpreted	9m 30s
mypyc runtime tests with py313-macos	4m 59s
Parallel tests with py314-ubuntu, interpreted	26m 22s
Type check our own code (py310-windows-64)	2m 48s
Test suite with py311-ubuntu	9m 55s
Test suite with py310-ubuntu, mypyc-compiled	17m 46s
Test suite with py314-ubuntu, mypyc-compiled	16m 1s
Test suite with py312-ubuntu	10m 32s
Test suite with py313-ubuntu, mypyc-compiled	16m 52s
Test suite with py314-windows-64	29m 30s
mypyc runtime tests with py310-ubuntu	6m 29s
Formatting and code style with Black + ruff	1m 51s
	3h 32m 40s

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