tests: Reformat describe & it calls to have curly braces

[thgreasi]

That was in a semi-automated way. I left removing unnecessary return statements for a follow-up PR.

Change-type: patch

Resolves: # HQ: See: Depends-on: Change-type: major|minor|patch

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Contributor checklist

• [ ] Includes tests
• [ ] Includes typings
• [ ] Includes updated documentation
• [ ] Includes updated build output