Before the developers mark a ticket as Ready for UAT, I want them to fill two fields.
1. Testing Required? Option: Yes/No
2. Tester? Option: User picker fields
Here, I have used the conditions of the transition where I am merging two condition.
A. If Testing Requires is Yes
B. The Tester field should not be Empty.
If both conditions A&B are true, allow the user to transition the task to Ready for UAT.
Please refer to the screenshots attached. I tries changing the comparison type to Option ID too but it didn't work.

