As stated in this feature request, we work agile and the tester gets new applications versions (almost) on a daily basis.
The tester does not know which objects have been changed/deleted. And does ...
So TC should know when a missing element is a bug, and when it's not? it should adapt to new developments, when the tester himself doesn't know what's new? and then, you have to trust the result? From my point of view, what you want is impossible... it seems utopian