Add testing messages

tripal_core/api/tripal_core.jobs.api.inc

@@ -289,7 +289,7 @@ function tripal_execute_job($job_id, $redirect = TRUE) {
   if ($job->end_time == 0) {
     exec("drush trp-run-jobs --username=".$user->name." --root=".DRUPAL_ROOT."", $output, $return);
     drupal_set_message(t(implode(" ", $output)));
-    drupal_set_message(t(implode(" ", $return)));
+    drupal_set_message($return);
   }
   else {
     drupal_set_message(t("Job %job_id cannot be executed. It is in progress or has finished.", array('%job_id' => $job_id)));