Test

Fix datashader fill_alpha applied twice #1286

Job	Run time
get-environments	8s
hatch-test.py3.11-stable	3m 42s
hatch-test.py3.14-pre (PRE-RELEASE DEPENDENCIES)	3m 16s
hatch-test.py3.14-stable	5m 1s
Tests pass in all hatch environments	4s
	12m 11s

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