chore: simplify public datasets tests

[SiQube]

we havd a lot of copy pasted code which forced the user to enter the dataset twice to our tests.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (21d539f) to head (8138c81).

Additional details and impacted files

@@            Coverage Diff            @@
##              main     #1052   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           80        80           
  Lines         3602      3602           
  Branches       646       646           
=========================================
  Hits          3602      3602           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.