Test

Cover common `isinstance` calling patterns with some overloads #36905

Job	Run time
stub_uploader tests	4m 29s
Check typeshed structure	12s
mypy: Run test cases	4m 9s
mypy: Check stubs (linux, 3.14)	1m 53s
mypy: Check stubs (linux, 3.12)	2m 17s
mypy: Check stubs (linux, 3.10)	1m 39s
mypy: Check stubs (linux, 3.13)	2m 6s
mypy: Check stubs (linux, 3.11)	1m 37s
mypy: Check stubs (darwin, 3.13)	1m 47s
mypy: Check stubs (win32, 3.12)	1m 44s
mypy: Check stubs (darwin, 3.10)	1m 45s
mypy: Check stubs (linux, 3.15)	4m 32s
mypy: Check stubs (win32, 3.14)	2m 11s
mypy: Check stubs (darwin, 3.11)	1m 41s
mypy: Check stubs (win32, 3.15)	4m 59s
pyright: Run test cases (Windows, 3.12)	1m 21s
pyright: Run test cases (Windows, 3.13)	1m 24s
pyright: Run test cases (Linux, 3.12)	1m 30s
pyright: Run test cases (Linux, 3.13)	1m 12s
mypy: Check stubs (win32, 3.13)	1m 50s
mypy: Check stubs (win32, 3.11)	1m 36s
pyright: Run test cases (Windows, 3.11)	1m 13s
pyright: Run test cases (Darwin, 3.11)	1m 17s
pyright: Run test cases (Linux, 3.11)	1m 13s
pyright: Run test cases (Windows, 3.14)	1m 13s
pyright: Run test cases (Darwin, 3.12)	1m 32s
pyright: Run test cases (Linux, 3.14)	1m 25s
mypy: Check stubs (darwin, 3.15)	4m 27s
mypy: Check stubs (win32, 3.10)	1m 40s
pyright: Run test cases (Darwin, 3.13)	1m 11s
mypy: Check stubs (darwin, 3.14)	1m 52s
mypy: Check stubs (darwin, 3.12)	1m 50s
pyright: Run test cases (Darwin, 3.14)	1m 16s
	1h 6m 3s

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