Fix testutils invoke with incorrect arg count (#1336) #4230

Job	Run time
fmt	8s
check-git-rev-deps	7s
build-fuzz	3m 24s
build-and-test (msrv, ubuntu-latest, x86_64-unknown-linux-gnu)	13m 37s
cargo-deny (advisories)	37s
build-and-test (msrv, ubuntu-latest, aarch64-unknown-linux-gnu, true)	8m 17s
docs	5m 41s
cargo-deny (bans licenses sources)	38s
build-and-test (msrv, windows-latest, x86_64-pc-windows-msvc)	17m 7s
build-and-test (latest, ubuntu-latest, x86_64-unknown-linux-gnu)	11m 53s
build-and-test (latest, ubuntu-latest, aarch64-unknown-linux-gnu, true)	7m 58s
readme	3m 7s
semver-checks	5m 14s
build-and-test (latest, windows-latest, x86_64-pc-windows-msvc)	16m 7s
publish-dry-run (ubuntu-latest, wasm32-unknown-unknown) / publish-dry-run / publish-dry-run	5m 9s
publish-dry-run (ubuntu-latest, x86_64-unknown-linux-gnu, --feature-powerset --exclude-features d... / publish-dry-run / publish-dry-run	5m 46s
complete	1s
	1h 44m 51s

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