screenshot on worker timeout

Author: rahulnwn

bin/runner.js

@@ -125,7 +125,11 @@ function launchBrowser(browser, url) {
             if (!worker.acknowledged) {
               var subject = "Worker inactive for too long: " + worker.string;
               var content = "Worker details:\n" + JSON.stringify(worker.config, null, 4);
-
+              client.takeScreenshot(worker.id, function(error, screenshot) {
+                if (!error && screenshot.url) {
+                  console.log('[%s] Screenshot: %s', worker.string, screenshot.url);
+                }
+              });
               utils.alertBrowserStack(subject, content);
             }
           }, timeout * 1000);