Tests

binder experiment #664

Job	Run time
Test mypyc suite with 32-bit Python	11m 9s
Test suite with py314t-ubuntu, mypyc-compiled	18m 17s
Parallel tests with py314-ubuntu, interpreted	25m 42s
Test suite with py310-ubuntu, mypyc-compiled	16m 3s
Parallel tests with py314-windows-64, interpreted	8m 26s
Test suite with py313-ubuntu, mypyc-compiled	15m 9s
Test suite with py314-ubuntu, mypyc-compiled	15m 21s
Test suite with py312-ubuntu	9m 39s
mypyc runtime tests with py310-ubuntu	6m 25s
Parallel tests with py314-ubuntu, mypyc-compiled	29m 43s
Test suite with py311-ubuntu	8m 59s
Test suite with py314-windows-64	28m 5s
mypyc runtime tests with py313-macos	5m 38s
Type check our own code (py310-ubuntu)	1m 47s
Formatting and code style with Black + ruff	1m 54s
Type check our own code (py310-windows-64)	2m 32s
	3h 24m 49s

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