Fix flaky Jenkins e2e spec javascript error

by retrying on exception
Also remove quarantine tag

qa/qa/specs/features/ee/browser_ui/3_create/jenkins/jenkins_build_status_spec.rb

@@ -26,11 +26,7 @@ module QA
         setup_jenkins
       end
 
-      quarantine = {
-        type: :flaky,
-        issue: 'https://gitlab.com/gitlab-org/gitlab/-/issues/213953'
-      }
-      it 'integrates and displays build status for MR pipeline in GitLab', quarantine: quarantine do
+      it 'integrates and displays build status for MR pipeline in GitLab' do
         login_to_gitlab
 
         setup_project_integration_with_jenkins

qa/qa/vendor/jenkins/page/last_job_console.rb

@@ -14,8 +14,13 @@ module QA
           end
 
           def has_successful_build?
+            # Retry on errors such as:
+            # Selenium::WebDriver::Error::JavascriptError:
+            #   javascript error: this.each is not a function
+            Support::Retrier.retry_on_exception(reload_page: page) do
               page.has_text?('Finished: SUCCESS')
             end
+          end
 
           def no_failed_status_update?
             page.has_no_text?('Failed to update Gitlab commit status')