Be stricter in test scripts #932

Job	Run time
windows (32, windows-2019)	6m 23s
unix (ubuntu-20.04, g++, make)	4m 25s
windows (32, windows-2022)	6m 51s
macos-static (macos-12)	2m 44s
windows-mingw-build (32)	1m 32s
unix (ubuntu-20.04, g++, cmake)	5m 3s
windows (64, windows-2019)	8m 16s
unix (ubuntu-20.04, clang++, make)	5m 3s
windows-mingw-build (64)	2m 28s
windows (64, windows-2022)	5m 27s
unix (ubuntu-20.04, clang++, cmake)	5m 9s
unix (ubuntu-22.04, g++, make)	4m 50s
unix (ubuntu-22.04, g++, cmake)	5m 19s
unix (ubuntu-22.04, clang++, make)	3m 40s
unix (ubuntu-22.04, clang++, cmake)	3m 39s
unix (macos-12, clang++, make)	13m 24s
unix (macos-12, clang++, cmake)	12m 11s
windows-mingw-testing (windows-2019, 32)	3m 45s
windows-mingw-testing (windows-2019, 64)	3m 43s
windows-mingw-testing (windows-2022, 32)	4m 21s
windows-mingw-testing (windows-2022, 64)	5m 53s
	1h 54m 6s

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