Tests

Memoize the options snapshot #22518

Job	Run time
Test mypyc suite with 32-bit Python	10m 54s
Test suite with py314-windows-64	28m 25s
mypyc runtime tests with py310-ubuntu	7m 30s
Parallel tests with py314-ubuntu, interpreted	25m 53s
mypyc runtime tests with py313-macos	6m 53s
Parallel tests with py314-ubuntu, mypyc-compiled	27m 46s
Test suite with py314-ubuntu, mypyc-compiled	16m 13s
Test suite with py312-ubuntu	10m 10s
Test suite with py314t-ubuntu, mypyc-compiled	17m 52s
Test suite with py310-ubuntu, mypyc-compiled	16m 17s
Test suite with py315-ubuntu, mypyc-compiled	15m 21s
Test suite with py313-ubuntu, mypyc-compiled	15m 52s
Test suite with py311-ubuntu	9m 31s
Type check our own code (py310-ubuntu)	1m 10s
Formatting and code style with Black + ruff	1m 47s
Parallel tests with py314-windows-64, interpreted	10m 41s
Type check our own code (py310-windows-64)	1m 50s
	3h 44m 5s

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