Tests

Allow nativeparse to parse source code directly #22314

Job	Run time
Test mypyc suite with 32-bit Python	11m 33s
Test suite with py315-ubuntu, mypyc-compiled	16m 15s
Test suite with py314-ubuntu, mypyc-compiled	17m 13s
Test suite with py314-windows-64	30m 55s
Test suite with py311-ubuntu	9m 25s
Parallel tests with py314-ubuntu, interpreted	26m 30s
mypyc runtime tests with py310-ubuntu	7m 1s
Test suite with py314t-ubuntu, mypyc-compiled	18m 31s
Test suite with py310-ubuntu, mypyc-compiled	17m 40s
Formatting and code style with Black + ruff	1m 59s
Type check our own code (py310-ubuntu)	35s
Type check our own code (py310-windows-64)	1m 44s
Parallel tests with py314-windows-64, interpreted	14m 49s
Parallel tests with py314-ubuntu, mypyc-compiled	29m 17s
Test suite with py312-ubuntu	10m 31s
mypyc runtime tests with py313-macos	5m 13s
Test suite with py313-ubuntu, mypyc-compiled	16m 55s
	3h 56m 6s

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