Tests

[mypyc] feat: add ascii format fast path #20245

Job	Run time
Test mypyc suite with 32-bit Python	2m 55s
Test suite with py314-windows-64	2m 59s
Test suite with py311-ubuntu	3m 3s
Test suite with py313-ubuntu, mypyc-compiled	27s
Type check our own code (py310-ubuntu)	1m 36s
Type check our own code (py310-windows-64)	2m 12s
Parallel tests with py314-ubuntu, interpreted	3m 6s
Formatting and code style with Black + ruff	1m 56s
mypyc runtime tests with py313-macos	37s
Test suite with py312-ubuntu	3m 5s
Test suite with py310-ubuntu, mypyc-compiled	28s
Test suite with py314t-ubuntu, mypyc-compiled	36s
mypyc runtime tests with py310-ubuntu	35s
Test suite with py314-ubuntu, mypyc-compiled	27s
Parallel tests with py314-ubuntu, mypyc-compiled	28s
	24m 30s

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