Add basic element hiding poc tests

[jonathanKingston]

Asana Task/Github Issue:

Description

Testing Steps

Checklist

Please tick all that apply:

• I have tested this change locally
• I have tested this change locally in all supported browsers
• This change will be visible to users
• I have added automated tests that cover this change
• I have ensured the change is gated by config
• This change was covered by a ship review
• This change was covered by a tech design
• Any dependent config has been merged

[netlify]

❌ Deploy Preview for content-scope-scripts failed.

Name	Link
🔨 Latest commit	9bfe0fb
🔍 Latest deploy log	https://app.netlify.com/projects/content-scope-scripts/deploys/68a7be0dc564140008d78999

[github-actions]

Temporary Branch Update

The temporary branch has been updated with the latest changes. Below are the details:

• Branch Name: pr-releases/pr-1914
• Commit Hash: abe4a73aacecc63d1cf96e9c9a3cb0407b5ad685
• Last Updated: August 22, 2025 at 12:47:46 AM UTC
• Install Command: npm i github:duckduckgo/content-scope-scripts#abe4a73aacecc63d1cf96e9c9a3cb0407b5ad685

Please use the above install command to update to the latest version.

[github-actions]

[Beta] Generated file diff

Time updated: Fri, 22 Aug 2025 00:48:06 GMT