Cannot capture mouse: mouse already captured.
When a call attempts to capture the mouse that is already
captured by the Mouse method. Only one mouse action can be captured at a time
is allowed. If the mouse action is already captured at the time of a Mouse.capture()
call, the message is displayed.
Playback stops and the message is displayed in the Rational® Functional Tester console
and in the playback log.
Capture the mouse action once at a time.