Tests

Correct "FuncBase.has_self_or_cls_argument()", its relates and an error message #21204

Job	Run time
Test mypyc suite with 32-bit Python	10m 5s
Parallel tests with py314-windows-64, interpreted	10m 38s
Test suite with py311-ubuntu	8m 37s
Test suite with py312-ubuntu	9m 3s
Parallel tests with py314-ubuntu, interpreted	24m 16s
Formatting and code style with Black + ruff	2m 0s
mypyc runtime tests with py313-macos	6m 57s
Test suite with py314-ubuntu, mypyc-compiled	14m 48s
Test suite with py310-ubuntu, mypyc-compiled	15m 41s
Type check our own code (py310-windows-64)	2m 28s
Test suite with py314t-ubuntu, mypyc-compiled	16m 28s
Parallel tests with py314-ubuntu, mypyc-compiled	31m 35s
Test suite with py313-ubuntu, mypyc-compiled	13m 44s
Type check our own code (py310-ubuntu)	1m 49s
mypyc runtime tests with py310-ubuntu	5m 52s
Test suite with py314-windows-64	27m 5s
	3h 21m 6s

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