Fix testDragToFolder()

The issue here was that we were dragging to the folder icon when it was already a folder. We need to drag to the folder icon, wait for the folder to open, and then drag into the middle of the opened folder.

Fix: 320742556
Flag: NONE
Test: TaplDragTest#testDragToFolder
Change-Id: I82816f8e249cbe55fb4eef79c27e19b6fe00318e
6 files changed