Refactored paginated_table_with_search_and_tabs_spec.js

What does this MR do and why?

Refactored paginated_table_with_search_and_tabs_spec.js

Screenshots or screen recordings

Only tests

How to set up and validate locally

Run tests

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.

Related #392838 (closed)