This event is fired every time a frame is unloaded. For any frame, a named event is also fired. For example, frame 'main' fires the event 'on_main_frame_unloaded', if the user has defined it. If it doesn't exist, it fires the generic 'on_frame_unloaded' event.
script on_main_frame_unloaded is testing := false test_name := '' -- set some variables end