Tests

Add function definition notes for more call argument errors #20809

Job	Run time
Test mypyc suite with 32-bit Python	10m 38s
Test suite with py312-ubuntu	8m 40s
Test suite with py314t-ubuntu, mypyc-compiled	16m 35s
Test suite with py314-ubuntu, mypyc-compiled	13m 51s
Test suite with py310-ubuntu, mypyc-compiled	14m 44s
Test suite with py311-ubuntu	8m 51s
mypyc runtime tests with py310-ubuntu	5m 30s
Test suite with py313-ubuntu, mypyc-compiled	13m 53s
Parallel tests with py314-ubuntu, interpreted	24m 14s
Parallel tests with py314-ubuntu, mypyc-compiled	28m 19s
Test suite with py314-windows-64	26m 28s
mypyc runtime tests with py313-macos	4m 32s
Formatting and code style with Black + ruff	2m 0s
Type check our own code (py310-ubuntu)	1m 38s
Type check our own code (py310-windows-64)	2m 34s
	3h 2m 27s

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