test(e2e): make snapshot tests self-contained #1094

Job	Run time
Format and Check Deps	1m 14s
detect-changes	4s
Test (musl)	4m 22s
Clippy	1m 0s
Test (macos-latest, aarch64-apple-darwin)	1m 32s
Test (ubuntu-latest, x86_64-unknown-linux-gnu)	1m 52s
Test (macos-latest, x86_64-apple-darwin)	3m 55s
Test (windows-latest, x86_64-pc-windows-msvc)	3m 31s
done	3s
	17m 33s

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