When you create a new test, the test default URL will be selected from the default site you have configured your default Sites page.
Change Default Site
You can change the default site by going to the Sites page. Identify the site you want to change and click the drop-down arrow to display the site(s). Then click the pencil icon to make edits.
Your sites should now be displayed and select the “Make Default" button.
Update Site URL
Do you need to update your site URL? Simply click on the edit Pencil next to the URL, then make changes, and hit “Done”.
Note: When you update the Site URL, the change will take effect across all tests that are set to that site.