I agree, this is absolutely a must given how easy it is to lose your place after updating a test case.
Just pass the ID of the test case that was updated to the list view. If the test case is visible in that list, auto-select it and auto-scroll to it.
Going arbitrarily to the first case in the list is very disorienting when you clearly had a point where you left off in the test case list prior to doing an edit.
If this cannot be done, my suggestion is to allow editing in the middle panel while in the 3-panel view so you the list view is never lost and thus your current selection in that list is never lost.