Tests

refactor(revme): extract JSON printing helper in blockchaintest (#3257) #8262

Job	Run time
docs	33s
features	21s
check no_std riscv32imac-unknown-none-elf	33s
clippy	34s
check no_std riscv64imac-unknown-none-elf	34s
feature-propagation	33s
typos	5s
check serde	27s
fmt	11s
check	1s
check std	28s
check std,map-foldhash	33s
test nightly	35s
test 1.88 --no-default-features	20s
test stable	1s
test 1.88	1s
test stable --all-features	21s
test stable --no-default-features	33s
test nightly --all-features	18s
test nightly --no-default-features	22s
test 1.88 --all-features	13s
	7m 37s

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