Tests

[mypyc] feat: new primitive for `int.to_bytes` #20175

Job	Run time
Test mypyc suite with 32-bit Python	1m 32s
Test suite with py314-ubuntu, mypyc-compiled	27s
Test suite with py314t-ubuntu, mypyc-compiled	47s
Test suite with py310-ubuntu, mypyc-compiled	27s
Test suite with py314-windows-64	1m 34s
Type check our own code (py310-ubuntu)	33s
mypyc runtime tests with py310-ubuntu	45s
Parallel tests with py314-ubuntu, mypyc-compiled	30s
Type check our own code (py310-windows-64)	1m 17s
mypyc runtime tests with py313-macos	33s
Test suite with py311-ubuntu	1m 42s
Test suite with py313-ubuntu, mypyc-compiled	26s
Test suite with py312-ubuntu	1m 42s
Parallel tests with py314-ubuntu, interpreted	1m 43s
Formatting and code style with Black + ruff	1m 45s
	15m 43s

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