Enhance unit test coverage #1609

Job	Run time
conda-linux-python3.13-ros3	1m 34s
linux-gallery-python3.9-minimum	2m 9s
linux-python3.9-minimum	7m 24s
linux-gallery-python3.13-upgraded	4m 42s
linux-python3.13-upgraded	5m 56s
windows-gallery-python3.9-minimum	2m 58s
windows-python3.9-minimum	7m 48s
windows-gallery-python3.13-upgraded	9m 10s
windows-python3.13-upgraded	7m 32s
macos-python3.9-minimum	11m 47s
macos-python3.13-upgraded	4m 8s
conda-linux-gallery-python3.13-ros3	1m 35s
conda-linux-python3.9-minimum	6m 24s
conda-linux-python3.13-upgraded	5m 21s
Deploy pre-release from dev	0s
	1h 18m 28s

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