Tests

Fix TypeIs narrowing for covariant generic Any #22612

Job	Run time
Test mypyc suite with 32-bit Python	12m 7s
Test suite with py312-ubuntu	9m 57s
Test suite with py315-ubuntu, mypyc-compiled	16m 17s
Test suite with py311-ubuntu	9m 41s
Test suite with py310-ubuntu, mypyc-compiled	16m 52s
Parallel tests with py314-ubuntu, interpreted	25m 39s
Test suite with py314t-ubuntu, mypyc-compiled	18m 21s
Test suite with py313-ubuntu, mypyc-compiled	16m 44s
mypyc runtime tests with py310-ubuntu	5m 51s
Test suite with py314-windows-64	32m 47s
mypyc runtime tests with py313-macos	6m 39s
Parallel tests with py314-windows-64, interpreted	11m 9s
Type check our own code (py310-ubuntu)	1m 4s
Formatting and code style with Black + ruff	1m 54s
Parallel tests with py314-ubuntu, mypyc-compiled	28m 2s
Type check our own code (py310-windows-64)	2m 0s
Test suite with py314-ubuntu, mypyc-compiled	15m 49s
	3h 50m 53s

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