Test ability to execute simple commands

tripal_core/api/tripal_core.jobs.api.inc

@@ -296,6 +296,7 @@ function tripal_execute_job($job_id, $redirect = TRUE) {
   // set the end time for this job
   if ($job->end_time == 0) {
     $cmd = "drush trp-run-jobs --job_id=".escapeshellarg($job_id)." --username=".escapeshellarg($user->name)." --root=".DRUPAL_ROOT." 2>&1";
+    $cmd = "echo \"Test\"";
     exec($cmd, $output, $return_code);
     $response = 'Response <br>';
     foreach($output as $line) {