Tests

More precise return types for `TypedDict.get` #18153

Job	Run time
Test mypyc suite with 32-bit Python	4m 24s
Test suite with py39-ubuntu, mypyc-compiled	4m 20s
Test suite with py312-ubuntu, mypyc-compiled	4m 21s
Test suite with py313-ubuntu, mypyc-compiled	4m 21s
Test suite with py313-windows-64	4m 19s
Test suite with py311-ubuntu	4m 21s
Test suite with py310-ubuntu	4m 20s
Test suite with py314-dev-ubuntu	4m 20s
Formatting and code style with Black + ruff	1m 49s
mypyc runtime tests with py39-macos	4m 27s
Type check our own code (py39-ubuntu)	1m 39s
Type check our own code (py39-windows-64)	3m 42s
	46m 23s

Provide feedback