[Automation] - Reduce execution time of pagination tests

[izaac]

Summary

Fixes rancher/qa-tasks#1429

Occurred changes and/or fixed issues

Set the pagination to 10 rows per page.
Reduce the resources creation from 100 to 25 for the pagination tests.
Update the assertion logic accordingly.

Technical notes summary

This change reduces the resources creation to speed up the pagination tests execution.

Areas or cases that should be tested

Check the pagination tests pass the execution with the assertions updates.

Notes

This doesn't include the Global Roles tests in the meantime as that page/table has an slight different layout using tabbed tables.

Found out the root cause of the issues with the Roles tests. Code is updated.

Checklist

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[izaac]

I am debugging why are these failing in GH and not locally.

[izaac]

Adding a cy.reload after changing the rows per page UI setting. Without it div.paging wasn't found when using less than 100.

[izaac]

The pods mock test data was making a test fail. pagination is hidden in pods.spec