tests: Test and framework refactoring/improvements #233

Job	Run time
check_vvl	1m 37s
chromium	7m 41s
Ubuntu Backcompat	8m 55s
linux (address sanitizer, debug, robinhood ON )	29m 46s
mingw	3m 49s
linux (address sanitizer, release, robinhood ON )	12m 12s
windows (amd64)	19m 42s
linux (thread sanitizer, debug, robinhood ON )	55m 32s
windows (amd64_x86)	20m 7s
linux (thread sanitizer, release, robinhood ON )	38m 45s
linux (address sanitizer, release, robinhood OFF )	12m 33s
	3h 30m 39s

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