testrunner: do not use global check instances (#8561) #537

Job	Run time
build (ubsan, -DANALYZE_UNDEFINED=On, true, process, true)	52m 25s
build (asan, -DANALYZE_ADDRESS=On, true, process, false)	19m 18s
build (tsan, -DANALYZE_THREAD=On, false, thread, false, --executor=thread --error-exitcode=0)	17m 2s
	1h 28m 45s

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