improve node-hub pytest #3158

Job	Run time
ROS2 Bridge Examples	11m 6s
Test (ubuntu-latest)	2m 45s
Test (macos-latest)	1m 49s
Test (windows-latest)	15m 53s
Bench (ubuntu-latest)	8m 49s
Bench (macos-latest)	7m 53s
License Checks	53s
Bench (windows-latest)	12m 35s
CLI Test (ubuntu-latest)	6m 45s
CLI Test (macos-latest)	9m 59s
Clippy	2m 55s
CLI Test (windows-latest)	14m 52s
Examples (ubuntu-latest)	10m 29s
cross-check (ubuntu-20.04, x86_64-unknown-linux-gnu)	3m 14s
Examples (macos-latest)	6m 5s
cross-check (ubuntu-20.04, i686-unknown-linux-gnu)	2m 58s
Examples (windows-latest)	20m 0s
cross-check (ubuntu-20.04, aarch64-unknown-linux-gnu)	3m 14s
cross-check (ubuntu-20.04, aarch64-unknown-linux-musl)	3m 2s
Formatting	16s
cross-check (ubuntu-20.04, armv7-unknown-linux-musleabihf)	3m 35s
cross-check (macos-12, aarch64-apple-darwin)	4m 13s
cross-check (macos-12, x86_64-apple-darwin)	4m 6s
Typos	22s
	2h 37m 48s

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