Tests

fix: do not narrow expression type to TypeVar on equality comparison #21663

Job	Run time
Test mypyc suite with 32-bit Python	9m 56s
Test suite with py312-ubuntu	9m 5s
Test suite with py313-ubuntu, mypyc-compiled	14m 56s
Test suite with py314-ubuntu, mypyc-compiled	14m 53s
Test suite with py310-ubuntu, mypyc-compiled	15m 18s
mypyc runtime tests with py310-ubuntu	6m 24s
Test suite with py314t-ubuntu, mypyc-compiled	18m 28s
Parallel tests with py314-ubuntu, mypyc-compiled	27m 31s
mypyc runtime tests with py313-macos	4m 42s
Test suite with py311-ubuntu	8m 44s
Type check our own code (py310-ubuntu)	1m 34s
Parallel tests with py314-ubuntu, interpreted	24m 8s
Parallel tests with py314-windows-64, interpreted	9m 12s
Test suite with py314-windows-64	26m 1s
Type check our own code (py310-windows-64)	2m 23s
Formatting and code style with Black + ruff	1m 51s
	3h 15m 6s

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