Tests

Reject direct union expressions in Literal #22401

Job	Run time
Test mypyc suite with 32-bit Python	10m 33s
Test suite with py311-ubuntu	9m 37s
mypyc runtime tests with py313-macos	5m 26s
Type check our own code (py310-ubuntu)	1m 12s
Test suite with py314t-ubuntu, mypyc-compiled	18m 24s
Parallel tests with py314-windows-64, interpreted	11m 8s
Test suite with py314-windows-64	31m 46s
Test suite with py315-ubuntu, mypyc-compiled	16m 24s
Test suite with py314-ubuntu, mypyc-compiled	15m 53s
Test suite with py312-ubuntu	10m 19s
Test suite with py310-ubuntu, mypyc-compiled	16m 53s
Test suite with py313-ubuntu, mypyc-compiled	15m 41s
Formatting and code style with Black + ruff	1m 50s
mypyc runtime tests with py310-ubuntu	7m 25s
Parallel tests with py314-ubuntu, interpreted	25m 59s
Parallel tests with py314-ubuntu, mypyc-compiled	27m 30s
Type check our own code (py310-windows-64)	2m 1s
	3h 48m 1s

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