Tests

Respect JSON output mode for syntax errors (#21386) #22080

Job	Run time
Test mypyc suite with 32-bit Python	11m 16s
Test suite with py311-ubuntu	9m 31s
Parallel tests with py314-ubuntu, mypyc-compiled	26m 49s
Test suite with py313-ubuntu, mypyc-compiled	16m 28s
Parallel tests with py314-ubuntu, interpreted	25m 48s
Test suite with py314-windows-64	31m 22s
Test suite with py312-ubuntu	9m 40s
Test suite with py314-ubuntu, mypyc-compiled	16m 14s
Formatting and code style with Black + ruff	1m 48s
Type check our own code (py310-windows-64)	1m 54s
Parallel tests with py314-windows-64, interpreted	9m 20s
Type check our own code (py310-ubuntu)	1m 12s
mypyc runtime tests with py313-macos	6m 40s
Test suite with py314t-ubuntu, mypyc-compiled	18m 25s
mypyc runtime tests with py310-ubuntu	6m 56s
Test suite with py310-ubuntu, mypyc-compiled	16m 52s
	3h 30m 15s

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