chore(core, sequencer): add names to all snapshot tests #6819

Job	Run time
run_checker / changes	4s
protos-compiled	32s
solidity-contracts-compiled	1m 8s
compiles	1m 50s
audit	0s
lockfile	19s
rust	2m 0s
rust-ethereum	1m 3s
clippy	1m 4s
custom-lints	3m 58s
doctest	1m 23s
test / success	1s
	13m 22s

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