[TEST_BUG] Test sun/awt/dnd/8024061/bug8024061.java fails on ubuntu

Testsuite name: jdk_awt
Test name(s): sun/awt/dnd/8024061/bug8024061.java
Product(s) tested: JDK 8 u65 b17
OS/architecture: Ubuntu 15.10 x64

Reproducible: Always

Error log file : Please see the attached jtr file

Is it a Regression: No , test failed for JDK 8u20b13 where the test was first introduced

Is it a platform specific issue: Yes (Test also failed on Ubuntu 14.04 but passed on OEL 7.0 )
[If platform specific issue] Is it a new (previously unsupported) OS/browser/mode testing: No


Exception/Error from Log:
----------System.out:(5/62)----------
x = 145
x = 165
x = 185
finished
Test failed. Timeout reached
----------System.err:(13/758)----------
java.lang.RuntimeException: Timed out waiting for dragEnter()
at bug8024061.main(bug8024061.java:157)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:92)
at java.lang.Thread.run(Thread.java:745)

JavaTest Message: Test threw exception: java.lang.RuntimeException: Timed out waiting for dragEnter()
JavaTest Message: shutting down test

STATUS:Failed.`main' threw exception: java.lang.RuntimeException: Timed out waiting for dragEnter()