Hybrid integration test follow up #5545

Job	Run time
Release builds and tests	8m 3s
Additional Builds and Concurrency Tests	14m 23s
miri	3m 3s
Basic Checks	19m 18s
Measure coverage	27m 5s
sanitize (address)	17m 55s
sanitize (address, multi-threading)	20m 23s
Slow tests	16m 55s
sanitize (leak)	7m 48s
sanitize (leak, multi-threading)	9m 13s
	2h 24m 6s

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