switch label variables in test_labels

[jamescalam]

Related Issues

• fixes Document store tests raise error if order of returned labels not as expected #3010

Proposed Changes:

Use labels variable in test_labels relies on labels being returned from the doc store in a specific order.

How did you test it?

Manual verification

Notes for the reviewer

test/document_stores/test_document_store.py

Checklist

• I have read the contributors guidelines and the code of conduct
• I have updated the related issue with new insights and changes
• I added tests that demonstrate the correct behavior of the change
• I've used the conventional commit convention for my PR title
• I documented my code
• I ran pre-commit hooks and fixed any issue

[ZanSara]

Hey @jamescalam, I agree this seems like over-testing some assumptions on our end. We don't guarantee any specific ordering in get_labels, so this is perfectly fine. Thank you for the PR!