When connecting a new Runscope account, you will be given a URL like this:
Copy that link for later.
Next, sign into Runscope and head to your Radar. Select the test you want notifications on and open the Notifications section.
Paste the link from earlier into the Webhook Notifications Section and click save:
Now run the test. After it completes, you can head back to Zapier to finish setting up your Zap.