tests: Minor cleanup #3207

Job	Run time
test (no rustup)	1m 56s
test (stable)	3m 19s
test (beta)	3m 8s
test (1.26)	6m 39s
test (1.30)	4m 40s
test (nightly)	3m 3s
test (1.31)	4m 57s
test (nightly, macos-latest)	2m 50s
test (1.36)	5m 49s
test (nightly, windows-latest)	4m 43s
test (1.39)	5m 49s
test (1.41)	5m 25s
deny / deny	12s
miri / miri	1m 0s
msrv / msrv	5m 36s
release-dry-run / prepare	3s
tidy / tidy	1m 7s
release-dry-run / build (aarch64-unknown-linux-gnu)	1m 35s
release-dry-run / build (aarch64-unknown-linux-musl)	1m 6s
release-dry-run / build (aarch64-apple-darwin, macos-12)	1m 15s
release-dry-run / build (aarch64-pc-windows-msvc, windows-2019)	1m 46s
release-dry-run / build (x86_64-unknown-linux-gnu)	43s
release-dry-run / build (x86_64-unknown-linux-musl)	58s
release-dry-run / build (x86_64-apple-darwin, macos-12)	1m 14s
release-dry-run / build (x86_64-pc-windows-msvc, windows-2019)	1m 48s
release-dry-run / build (x86_64-unknown-freebsd)	1m 19s
release-dry-run / build (x86_64-unknown-illumos)	51s
release-dry-run / build (universal-apple-darwin, macos-12)	1m 23s
	1h 14m 14s

Provide feedback