...
Create a test run and make it recurring. While creating a new test run there is a Schedule field where you can select Run Now, Run on Interval or Run Deploy. Selecting Run Now will create your test run and run it one time. Selecting either of the other 2 options will create a scheduled test run.
Create a new schedule on the Schedule tab. On the schedule tab, click the green +Add New Schedule button to add a scheduled test run.
...
Managing schedules
From the Schedules tab in Testery is where you will manage your schedules. You can create new schedules, edit existing schedules, or delete a schedule. You also have the ability to enable and disable schedules.
...