Tests

[mypyc] Fix compilation of byteswriter_extra_ops #19737

Job	Run time
Test mypyc suite with 32-bit Python	8m 42s
Test suite with py312-ubuntu	10m 13s
Test suite with py310-ubuntu, mypyc-compiled	14m 18s
Test suite with py314-ubuntu, mypyc-compiled	14m 19s
Parallel tests with py314-ubuntu, mypyc-compiled	30m 10s
Test suite with py311-ubuntu	9m 0s
Parallel tests with py314-ubuntu, interpreted	23m 16s
Test suite with py314-windows-64	27m 10s
mypyc runtime tests with py313-macos	6m 7s
Type check our own code (py310-windows-64)	2m 17s
Formatting and code style with Black + ruff	1m 57s
Type check our own code (py310-ubuntu)	1m 41s
Test suite with py313-ubuntu, mypyc-compiled	14m 16s
mypyc runtime tests with py310-ubuntu	5m 11s
Test suite with py314t-ubuntu, mypyc-compiled	15m 54s
	3h 4m 31s

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