Dashboard custom query - can't select or manually enter test cycle folder
Per the image below, it does not seem possible to select a test cycle folder in the highlighted field by any means (clicking buttons, manual text entry, copy paste etc.), even though they have been created and contain test cycles, which themselves contain test cases. We are aware, however, that folder selection has been possible in the past - see subsequent image.
I tested this on one of my projects and the folder criteria is working as expected. I have setup some folders in the Test Cycles page for UAT 1 & UAT 2, each has sub-folders within them. When I type "UAT" into the Test Cycles criteria as shown in your screenshot it works (image below).
Just checking that you definitely have a folder structure in the Test Cycles page as well as the Test Cases page?