In the Ruletest you want to test, open it in its editor, and then
choose the menu command Ruletest > Testsheet > Change Test
Subject. The Select Test Subject dialog box opens on its
Run in Studio tab. Notice that the view of the
projects in the current workspace shows only Rulesheets and Ruleflows. Choose one of the
files in the same project as the Ruletest to select it, as shown:
Click OK.
The dialog closes, and the selected file is listed at the top of the
testsheet, as shown: