Test

Allow `outline_color` to accept an obs column #1658

Job	Run time
get-environments	8s
hatch-test.py3.14-stable	6m 5s
hatch-test.py3.14-pre (PRE-RELEASE DEPENDENCIES)	2m 35s
hatch-test.py3.11-stable	4m 49s
Tests pass in all hatch environments	5s
	13m 42s

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