hg: openjfx/jfx-dev/rt: 8207369: Add more FX Robot API tests

[kevin.rushforth at oracle.com]

Changeset: 281a7c2ead0f
Author:    mennen
Date:      2018-12-05 18:46 -0800
URL:       http://hg.openjdk.java.net/openjfx/jfx-dev/rt/rev/281a7c2ead0f

8207369: Add more FX Robot API tests
Reviewed-by: kcr

! tests/system/src/test/java/test/robot/javafx/scene/RobotTest.java