Add testProviderVdbListingPageProviderAccess() to AI Search tests
>>> [!note] Migrated issue
<!-- Drupal.org comment -->
<!-- Migrated from issue #3557077. -->
Reported by: [gxleano](https://www.drupal.org/user/3591999)
Related to !3
>>>
<h3 id="summary-problem-motivation">Problem/Motivation</h3>
<p>After moving AI Search out from AI Core, some related tests also need to be relocated. This issue tracks adding the <code>testProviderVdbListingPageProviderAccess()</code> test to the AI Search module to ensure proper coverage and maintain test consistency.</p>
> Related issue: [Issue #3552884](https://www.drupal.org/node/3552884)
issue