Test

Cover common `isinstance` calling patterns with some overloads #36717

Job	Run time
Check typeshed structure	15s
stub_uploader tests	4m 21s
mypy: Run test cases	3m 47s
mypy: Check stubs (linux, 3.13)	2m 8s
mypy: Check stubs (linux, 3.14)	1m 50s
mypy: Check stubs (linux, 3.11)	1m 34s
mypy: Check stubs (linux, 3.15)	4m 49s
mypy: Check stubs (linux, 3.10)	1m 37s
mypy: Check stubs (linux, 3.12)	1m 54s
mypy: Check stubs (darwin, 3.14)	1m 58s
mypy: Check stubs (win32, 3.10)	1m 41s
pyright: Run test cases (Linux, 3.11)	1m 18s
pyright: Run test cases (Darwin, 3.12)	1m 14s
pyright: Run test cases (Linux, 3.12)	1m 28s
pyright: Run test cases (Windows, 3.14)	1m 21s
mypy: Check stubs (win32, 3.14)	1m 55s
pyright: Run test cases (Darwin, 3.14)	1m 27s
pyright: Run test cases (Darwin, 3.13)	1m 19s
pyright: Run test cases (Windows, 3.12)	1m 19s
mypy: Check stubs (darwin, 3.12)	1m 50s
pyright: Run test cases (Windows, 3.13)	1m 12s
mypy: Check stubs (win32, 3.15)	4m 59s
pyright: Run test cases (Windows, 3.11)	1m 21s
pyright: Run test cases (Linux, 3.13)	1m 24s
mypy: Check stubs (darwin, 3.10)	1m 49s
mypy: Check stubs (darwin, 3.13)	1m 47s
mypy: Check stubs (darwin, 3.15)	5m 6s
mypy: Check stubs (win32, 3.12)	1m 54s
pyright: Run test cases (Darwin, 3.11)	1m 16s
mypy: Check stubs (darwin, 3.11)	1m 36s
mypy: Check stubs (win32, 3.13)	1m 52s
mypy: Check stubs (win32, 3.11)	1m 53s
pyright: Run test cases (Linux, 3.14)	1m 33s
	1h 6m 47s

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