To test run a Check-in, navigate to Troopr home tab where you can see the list of all your Check-ins. Choose the Check-in, Click on "Other actions" ⇒ "Run Now"
Check-ins - Troopr home tab
Click on "My Check-ins" to list all of your Check-ins. In the Standup you want to test, choose "Other actions" ⇒ "Run Now".