Tests

Fix regression for catching empty tuple in except #21513

Job	Run time
Test mypyc suite with 32-bit Python	10m 30s
Test suite with py310-ubuntu, mypyc-compiled	16m 12s
Test suite with py314-ubuntu, mypyc-compiled	16m 33s
Test suite with py312-ubuntu	10m 12s
Test suite with py314t-ubuntu, mypyc-compiled	19m 33s
mypyc runtime tests with py313-macos	6m 26s
Parallel tests with py314-ubuntu, mypyc-compiled	25m 47s
Test suite with py311-ubuntu	10m 0s
mypyc runtime tests with py310-ubuntu	6m 23s
Type check our own code (py310-windows-64)	2m 23s
Parallel tests with py314-ubuntu, interpreted	22m 25s
Test suite with py313-ubuntu, mypyc-compiled	15m 16s
Formatting and code style with Black + ruff	1m 46s
Test suite with py314-windows-64	29m 39s
Parallel tests with py314-windows-64, interpreted	11m 20s
Type check our own code (py310-ubuntu)	1m 45s
	3h 26m 10s

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