Tests

Respect JSON output mode for syntax errors #22077

Job	Run time
Test mypyc suite with 32-bit Python	10m 35s
Test suite with py310-ubuntu, mypyc-compiled	16m 22s
Test suite with py314t-ubuntu, mypyc-compiled	17m 53s
Test suite with py311-ubuntu	9m 36s
Test suite with py313-ubuntu, mypyc-compiled	16m 24s
Test suite with py312-ubuntu	9m 51s
mypyc runtime tests with py310-ubuntu	6m 38s
Parallel tests with py314-windows-64, interpreted	9m 11s
mypyc runtime tests with py313-macos	6m 7s
Test suite with py314-ubuntu, mypyc-compiled	16m 7s
Type check our own code (py310-ubuntu)	1m 9s
Test suite with py314-windows-64	31m 3s
Parallel tests with py314-ubuntu, interpreted	26m 25s
Parallel tests with py314-ubuntu, mypyc-compiled	28m 48s
Formatting and code style with Black + ruff	1m 51s
Type check our own code (py310-windows-64)	1m 51s
	3h 29m 51s

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