hg: openjfx/10-dev/rt: 8193494: Add a regression test case for JDK-8183100

[ajit.ghaisas at oracle.com]

Changeset: 14621a723393
Author:    aghaisas
Date:      2017-12-22 12:50 +0530
URL:       http://hg.openjdk.java.net/openjfx/10-dev/rt/rev/14621a723393

8193494: Add a regression test case for JDK-8183100
Reviewed-by: kcr, arapte

+ tests/system/src/test/java/test/robot/javafx/scene/JDK8183100Test.java