Tests

[mypyc] Speed up ord(str[n]) by inlining (#20578) #20108

Job	Run time
Test mypyc suite with 32-bit Python	9m 50s
Test suite with py314-ubuntu, mypyc-compiled	14m 46s
Test suite with py313-ubuntu, mypyc-compiled	14m 25s
mypyc runtime tests with py313-macos	8m 24s
Test suite with py310-ubuntu, mypyc-compiled	15m 46s
Parallel tests with py314-ubuntu, interpreted	24m 33s
mypyc runtime tests with py310-ubuntu	5m 36s
Test suite with py311-ubuntu	9m 16s
Test suite with py312-ubuntu	10m 8s
Test suite with py314-windows-64	27m 35s
Formatting and code style with Black + ruff	2m 3s
Parallel tests with py314-ubuntu, mypyc-compiled	34m 8s
Test suite with py314t-ubuntu, mypyc-compiled	17m 16s
Type check our own code (py310-windows-64)	2m 27s
Type check our own code (py310-ubuntu)	1m 30s
	3h 17m 43s

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