chore(html): add test for ColorGradient sizes #5345

Job	Run time
CI \| Unit	1s
Status check > Unit	1s
CI \| Visual	1s
Lint scripts / run	45s
Compile themes / run	46s
Render test pages / verify	8s
Lint styles / run (default)	1m 12s
Lint styles / run (bootstrap)	1m 10s
Lint styles / run (material)	1m 7s
Lint styles / run (classic)	1m 11s
Lint styles / run (fluent)	1m 8s
Render test pages / run	2m 26s
Status check > Lint scripts	1s
Status check > Lint styles	1s
Status check > A11y / prepare	1s
Create screenshots / run (default)	2m 5s
Create screenshots / run (bootstrap)	2m 33s
Create screenshots / run (material)	2m 22s
Create screenshots / run (classic)	2m 17s
Create screenshots / run (fluent)	2m 40s
Status check > A11y / run-checks (1)	3m 43s
Status check > A11y / run-checks (2)	2m 22s
Status check > A11y / run-checks (3)	2m 19s
Status check > A11y / run-checks (4)	2m 54s
Detect changes	21s
Status check > Visual	1s
	33m 36s

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