Tests

[mypyc] feat: new primitives for `bytes.rjust` and `bytes.ljust` #20127

Job	Run time
Test mypyc suite with 32-bit Python	3m 29s
Test suite with py313-ubuntu, mypyc-compiled	26s
Test suite with py314t-ubuntu, mypyc-compiled	32s
Test suite with py310-ubuntu, mypyc-compiled	26s
Test suite with py314-ubuntu, mypyc-compiled	28s
Test suite with py314-windows-64	16m 3s
Parallel tests with py314-ubuntu, mypyc-compiled	26s
Test suite with py311-ubuntu	6m 9s
Test suite with py312-ubuntu	7m 9s
Type check our own code (py310-ubuntu)	33s
Type check our own code (py310-windows-64)	1m 21s
mypyc runtime tests with py310-ubuntu	44s
Parallel tests with py314-ubuntu, interpreted	24m 46s
Formatting and code style with Black + ruff	1m 55s
mypyc runtime tests with py313-macos	1m 0s
	1h 5m 27s

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