Tests

Allow unary + in Literal (#16729) #11

Job	Run time
Test mypyc suite with 32-bit Python	8m 26s
Test suite with py38-ubuntu, mypyc-compiled	20m 24s
Test suite with py38-windows-64	26m 59s
Test suite with py39-ubuntu	19m 34s
Test suite with py310-ubuntu	17m 40s
Test suite with py311-ubuntu, mypyc-compiled	17m 9s
Test suite with py312-ubuntu, mypyc-compiled	20m 2s
mypyc runtime tests with py39-macos	4m 44s
mypyc runtime tests with py38-debug-build-ubuntu	5m 17s
Type check our own code (py38-ubuntu)	2m 2s
Type check our own code (py38-windows-64)	2m 15s
Formatting and code style with Black + ruff	36s
	2h 25m 8s

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