test

Immer persist #380

Job	Run time
build	10m 34s
build-spm	31s
check (Debug, gnu-6, 14)	3m 3s
docs	1m 9s
check (Debug, gnu-7, 14)	3m 5s
check (Debug, llvm-5, 14)	2m 38s
check (Debug, llvm-6, 14)	2m 43s
check (Release, gnu-6, 14)	3m 50s
check (Release, gnu-7, 14)	3m 48s
check (Release, llvm-5, 14)	4m 12s
check (Release, llvm-6, 14)	4m 11s
check (Debug, gnu-9, 14, coverage)	3m 43s
check (Debug, gnu-8, 17)	3m 7s
check (Debug, llvm-9, 17, fuzzers)	4m 3s
check (Debug, gnu-11, 20)	3m 38s
check (Debug, llvm-13, 20)	3m 11s
check (Debug, llvm-8, 14, sanitize)	3m 50s
check (Release, gnu-9, 14, benchmark)	18m 29s
check (Release, llvm-10, 14, benchmark)	18m 45s
	1h 38m 30s

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