Tests

[nit] remove useless --' test comments #19706

Job	Run time
Test suite with py311-ubuntu	8m 50s
Test mypyc suite with 32-bit Python	9m 7s
Test suite with py313-ubuntu, mypyc-compiled	13m 55s
Test suite with py314-windows-64	27m 44s
Test suite with py312-ubuntu	9m 48s
Test suite with py314t-ubuntu, mypyc-compiled	15m 42s
Parallel tests with py314-ubuntu, interpreted	24m 59s
mypyc runtime tests with py313-macos	6m 12s
Parallel tests with py314-ubuntu, mypyc-compiled	25m 26s
mypyc runtime tests with py310-ubuntu	5m 13s
Formatting and code style with Black + ruff	1m 52s
Type check our own code (py310-windows-64)	2m 24s
Test suite with py310-ubuntu, mypyc-compiled	13m 52s
Test suite with py314-ubuntu, mypyc-compiled	13m 51s
Type check our own code (py310-ubuntu)	1m 46s
	3h 0m 41s

Provide feedback