Tests

[mypyc] fix: isinstance_native fast path conflict w/ interp. subclasses [1/1] #19392

Job	Run time
Test mypyc suite with 32-bit Python	1m 14s
Test suite with py310-ubuntu	1m 25s
Test suite with py39-ubuntu, mypyc-compiled	1m 23s
Test suite with py312-ubuntu, mypyc-compiled	1m 23s
Test suite with py311-ubuntu	1m 24s
mypyc runtime tests with py310-ubuntu	1m 27s
Test suite with py313-ubuntu, mypyc-compiled	1m 24s
Test suite with py314-ubuntu, mypyc-compiled	1m 23s
Type check our own code (py39-windows-64)	1m 19s
mypyc runtime tests with py313-macos	1m 32s
Test suite with py314-windows-64	1m 18s
Type check our own code (py39-ubuntu)	1m 25s
Formatting and code style with Black + ruff	1m 29s
	18m 6s

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