"deleting" a test set is that cutting is immediate and gives "No Warning" so this capability should be used with caution. It is reccomended that before cutting a test set the model be saved in case the test set needs to be resurrected.
Test Sets can also be removed (while retaining a copy on the clipboard) by performing a "cut" operation. Both methods are shown below
How To Cut Tests
With Test set selected select cut with Right Hand Mouse button
"OR" With Test set Selected select Sissors to Cut
Methods:
1
Select one or more test sets in the Explorer Tree.
2
Select "Cut" from the "Options" menu as shown above.
Alternative: Use the Cut (Sissors) icon on the Standard toolbar.