Sc 23170

[daniellemaxwell]

Scope of changes

Adds component tests for the OnboardingLayout and SandboxLayout components. Also adds a little padding to the sandbox sidebar to make heading and avatar appear more align with the topbar and banner component.

A test for the Dash Layout was added in the past.

Fixes SC-23170

Type of change

• new feature
• bug fix
• documentation
• testing
• technical debt
• other (describe)

Acceptance criteria

[Copy acceptance criteria checklist from story for reviewer, or add a brief acceptance criteria here]

[Front-End: add screenshots/videos of changes made]

Definition of Done

• I have manually tested the change running it locally (having rebuilt all containers) or via unit tests
• I have added unit and/or integration tests that cover my changes
• I have added new test fixtures as needed to support added tests
• I have updated the dependencies list if necessary (including updating yarn.lock and/or go.sum)
• I have recompiled and included new protocol buffers to reflect changes I made if necessary
• Check this box if a reviewer can merge this pull request after approval (leave it unchecked if you want to do it yourself)
• I have notified the reviewer via Shortcut or Slack that this is ready for review
• Front-end: Checked sm, md, lg screen resolutions for effective responsiveness
• Backend-end: Documented service configuration changes or created related devops stories

Reviewer(s) checklist

• Front-end: I've reviewed the Figma design and confirmed that changes match the spec.
• Any new user-facing content that has been added for this PR has been QA'ed to ensure correct grammar, spelling, and understandability.
• Are there any TODOs in this PR that should be turned into stories?

[shortcut-integration]

This pull request has been linked to Shortcut Story #23170: Beacon layout test.

[bbengfort]

Thanks for updating the tests!