Test

Support channels_as_legend for single-channel and sequential renders #1490

Job	Run time
get-environments	10s
hatch-test.py3.11-stable	4m 25s
hatch-test.py3.14-stable	5m 46s
hatch-test.py3.14-pre (PRE-RELEASE DEPENDENCIES)	3m 40s
Tests pass in all hatch environments	2s
	14m 3s

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