Tests

Disallow all super calls to methods with trivial bodies #416

Job	Run time
Test suite with py38-ubuntu, mypyc-compiled	20m 41s
Test suite with py38-windows-64	26m 32s
Test suite with py39-ubuntu	19m 5s
Test suite with py310-ubuntu	18m 17s
Test suite with py311-ubuntu, mypyc-compiled	17m 17s
Test suite with py312-ubuntu, mypyc-compiled	20m 6s
mypyc runtime tests with py39-macos	6m 13s
mypyc runtime tests with py38-debug-build-ubuntu	5m 14s
Type check our own code (py38-ubuntu)	1m 47s
Type check our own code (py38-windows-64)	2m 13s
Test mypyc suite with 32-bit Python	8m 15s
Formatting and code style with Black + ruff	46s
	2h 26m 26s

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