Tests

Allow unary + in Literal (#16729) #30

Job	Run time
Test mypyc suite with 32-bit Python	8m 14s
Test suite with py38-ubuntu, mypyc-compiled	20m 26s
Test suite with py38-windows-64	26m 9s
Test suite with py39-ubuntu	18m 44s
Test suite with py310-ubuntu	17m 30s
Test suite with py311-ubuntu, mypyc-compiled	17m 12s
Test suite with py312-ubuntu, mypyc-compiled	19m 59s
mypyc runtime tests with py39-macos	6m 4s
mypyc runtime tests with py38-debug-build-ubuntu	5m 27s
Type check our own code (py38-ubuntu)	1m 44s
Type check our own code (py38-windows-64)	2m 31s
Formatting and code style with Black + ruff	34s
	2h 24m 34s

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