FULL PRODUCT VERSION :
JDK under test: C:\\Program Files\\Java\\jdk1.8.0_112
java version "1.8.0_112"
Java(TM) SE Runtime Environment (build 1.8.0_112-b15)
Java HotSpot(TM) 64-Bit Server VM (build 25.112-b15, mixed mode)

ADDITIONAL OS VERSION INFORMATION :
Microsoft Windows [Version 10.0.10240]

A DESCRIPTION OF THE PROBLEM :
The test javax/swing/JComboBox/8057893/bug8057893.java throws "java.lang.RuntimeException: ComboBoxEdited event is not fired!" on Windows.
This issue was not observed on Linux, OSX.


ERROR MESSAGES/STACK TRACES THAT OCCUR :
#section:main
----------messages:(4/125)----------
command: main bug8057893
reason: User specified action: run main bug8057893
Mode: othervm
elapsed time (seconds): 3.256
----------configuration:(0/0)----------
----------System.out:(0/0)----------
----------System.err:(13/774)----------
java.lang.RuntimeException: ComboBoxEdited event is not fired!
at bug8057893.main(bug8057893.java:81)
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:498)
at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:110)
at java.lang.Thread.run(Thread.java:745)

JavaTest Message: Test threw exception: java.lang.RuntimeException: ComboBoxEdited event is not fired!
JavaTest Message: shutting down test

STATUS:Failed.`main' threw exception: java.lang.RuntimeException: ComboBoxEdited event is not fired!

REPRODUCIBILITY :
This bug can be reproduced always.

---------- BEGIN SOURCE ----------
The test is from Regression test suite (jtreg)
http://hg.openjdk.java.net/jdk8u/jdk8u/jdk/file/8b04ee324a1a/test/javax/swing/JComboBox/8057893/bug8057893.java
---------- END SOURCE ----------