Port civicrm patch for the unit test

Ports a patch that was discussed & merged upstream
to address a unit test issue I hit

(Note I don't think any WMF specific review is required here as
it is merged to civicrm master)
civicrm/civicrm-core#27023

Bug: T340040

Change-Id: Ia16661fc3a17de096e6a148c5ff9e0a96a4a85f8

drupal/sites/all/modules/civicrm/CRM/Queue/Runner.php

@@ -352,6 +352,7 @@ public function handleEnd() {
     if (!empty($this->onEndUrl)) {
       $result['redirect_url'] = $this->onEndUrl;
     }
+    $this->enableBackgroundExecution();
     return $result;
   }
 
@@ -521,4 +522,24 @@ protected function disableBackgroundExecution(): void {
     ]);
   }
 
+  /**
+   * Ensure that background workers will not try to run this queue.
+   */
+  protected function enableBackgroundExecution(): void {
+    if (CRM_Core_Config::isUpgradeMode()) {
+      // Versions <=5.50 do not have `status` column.
+      if (!CRM_Core_DAO::checkTableExists('civicrm_queue') || !CRM_Core_BAO_SchemaHandler::checkIfFieldExists('civicrm_queue', 'status')) {
+        // The system doesn't have automatic background workers yet. Neither necessary nor possible to toggle `status`.
+        // See also: https://lab.civicrm.org/dev/core/-/issues/3653
+        return;
+      }
+    }
+
+    // If it was disabled for background processing & has not been otherwise altered then
+    // re-enable it as it might be a persistent queue.
+    CRM_Core_DAO::executeQuery('UPDATE civicrm_queue SET status = "active" WHERE name = %1 AND status IS NULL', [
+      1 => [$this->queue->getName(), 'String'],
+    ]);
+  }
+
 }