Tests

Handle functools.Placeholder in partial #22098

Job	Run time
Test mypyc suite with 32-bit Python	11m 25s
Test suite with py314-windows-64	30m 52s
Test suite with py314-ubuntu, mypyc-compiled	15m 25s
Parallel tests with py314-ubuntu, interpreted	23m 39s
Test suite with py314t-ubuntu, mypyc-compiled	17m 55s
Parallel tests with py314-ubuntu, mypyc-compiled	27m 17s
Test suite with py312-ubuntu	9m 57s
mypyc runtime tests with py313-macos	5m 25s
Parallel tests with py314-windows-64, interpreted	10m 47s
Test suite with py310-ubuntu, mypyc-compiled	17m 5s
Formatting and code style with Black + ruff	1m 57s
Type check our own code (py310-windows-64)	3m 2s
Test suite with py313-ubuntu, mypyc-compiled	15m 44s
Test suite with py311-ubuntu	9m 32s
mypyc runtime tests with py310-ubuntu	5m 56s
Type check our own code (py310-ubuntu)	1m 5s
	3h 27m 3s

Provide feedback