Tests

[mypyc] feat: add ascii format fast path #20244

Job	Run time
Test mypyc suite with 32-bit Python	17s
Test suite with py311-ubuntu	5s
Test suite with py314-ubuntu, mypyc-compiled	6s
Test suite with py312-ubuntu	6s
Parallel tests with py314-ubuntu, interpreted	6s
Test suite with py310-ubuntu, mypyc-compiled	5s
Test suite with py314t-ubuntu, mypyc-compiled	6s
Formatting and code style with Black + ruff	10s
Test suite with py314-windows-64	11s
Test suite with py313-ubuntu, mypyc-compiled	6s
Type check our own code (py310-windows-64)	12s
Type check our own code (py310-ubuntu)	10s
Parallel tests with py314-ubuntu, mypyc-compiled	5s
mypyc runtime tests with py313-macos	12s
mypyc runtime tests with py310-ubuntu	9s
	2m 6s

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