chore(html): reuse helper in tests #3311

Job	Run time
Status check > Unit	1s
CI \| Visual	1s
CI \| Unit	1s
Compile themes / run	42s
Lint scripts / run	57s
Lint styles / run (default)	2m 13s
Render test pages / verify	7s
Lint styles / run (bootstrap)	2m 59s
Lint styles / run (material)	2m 13s
Lint styles / run (classic)	2m 22s
Lint styles / run (nouvelle)	47s
Lint styles / run (fluent)	45s
Render test pages / run	1m 58s
Status check > Lint scripts	1s
Status check > A11y / prepare	1s
Create screenshots / run (default)	2m 38s
Create screenshots / run (bootstrap)	2m 32s
Create screenshots / run (material)	2m 48s
Create screenshots / run (classic)	2m 16s
Create screenshots / run (nouvelle)	1m 47s
Create screenshots / run (fluent)	2m 33s
Status check > A11y / run-checks (1)	2m 40s
Status check > A11y / run-checks (2)	3m 8s
Status check > A11y / run-checks (3)	2m 23s
Status check > A11y / run-checks (4)	3m 1s
Status check > Lint styles	1s
Detect changes	34s
Status check > Visual	1s
	41m 30s

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