Tests

Reduce TypeForm recognition slowdown #22483

Job	Run time
Test mypyc suite with 32-bit Python	10m 58s
Test suite with py312-ubuntu	10m 13s
mypyc runtime tests with py310-ubuntu	7m 56s
Test suite with py314t-ubuntu, mypyc-compiled	18m 24s
Test suite with py311-ubuntu	9m 47s
Parallel tests with py314-ubuntu, interpreted	27m 47s
Test suite with py315-ubuntu, mypyc-compiled	15m 49s
Parallel tests with py314-ubuntu, mypyc-compiled	27m 59s
Test suite with py313-ubuntu, mypyc-compiled	16m 23s
Type check our own code (py310-windows-64)	1m 42s
mypyc runtime tests with py313-macos	6m 56s
Test suite with py314-windows-64	29m 34s
Test suite with py310-ubuntu, mypyc-compiled	16m 56s
Parallel tests with py314-windows-64, interpreted	11m 4s
Test suite with py314-ubuntu, mypyc-compiled	15m 42s
Type check our own code (py310-ubuntu)	1m 2s
Formatting and code style with Black + ruff	1m 59s
	3h 50m 11s

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