hg: openjfx/9-dev/tests: 8159565: [TEST BUG] Drag is not starting until manual mouse move

[kevin.rushforth at oracle.com]

Changeset: 9b0f70918dc4
Author:    arusakov
Date:      2016-06-17 13:03 +0300
URL:       http://hg.openjdk.java.net/openjfx/9-dev/tests/rev/9b0f70918dc4

8159565: [TEST BUG] Drag is not starting until manual mouse move
Summary: Used DnD code from Controls testsuite.
Reviewed-by: kcr

! functional/SceneGraphTests/test/test/scenegraph/events/EventTestCommon.java
! functional/SceneGraphTests/test/test/scenegraph/functional/mix/SceneEventHandlersTest.java
! tools/SharedTestUtilsOpen/src/test/javaclient/shared/TestBase.java