Retry on exception due to bug

qa/qa/resource/user.rb

@@ -100,8 +100,7 @@ module QA
 
       def exists?
         api_get
-        # TODO: remove 'InternalServerError' from below line after https://gitlab.com/gitlab-org/gitlab/-/issues/349337 has been resolved
-      rescue ResourceNotFoundError, InternalServerError
+      rescue ResourceNotFoundError
         false
       end
 

qa/qa/specs/features/browser_ui/1_manage/login/register_spec.rb

@@ -64,7 +64,9 @@ module QA
             Page::Profile::Accounts::Show.perform do |show|
               show.delete_account(user.password)
             end
-            Support::Waiter.wait_until { !user.exists? }
+
+            # TODO: Remove retry_on_exception once https://gitlab.com/gitlab-org/gitlab/-/issues/24294 is resolved
+            Support::Waiter.wait_until(retry_on_exception: true, sleep_interval: 3) { !user.exists? }
           end
 
           it 'allows recreating with same credentials', testcase: 'https://gitlab.com/gitlab-org/gitlab/-/quality/test_cases/347868' do