javax/swing/JSplitPane/4816114/bug4816114.java: The divider location is wrong

ADDITIONAL SYSTEM INFORMATION :
Microsoft Windows [Version 10.0.16299.431]

java version "10.0.1" 2018-04-17
Java(TM) SE Runtime Environment 18.3 (build 10.0.1+10)
Java HotSpot(TM) 64-Bit Server VM 18.3 (build 10.0.1+10, mixed mode)


A DESCRIPTION OF THE PROBLEM :
The test javax/swing/JSplitPane/4816114/bug4816114.java fails with the message:
"Execution failed: `main' threw exception: java.lang.Error: The divider location is wrong."
The issue was observed on Windows 10, It has never been observed on Windows 7
The reproducibility 100%

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
$ jtreg -ignore:quiet -v -a -xml -testjdk:/cygdrive/c/Program\ Files/Java/jdk-10.0.1 -Djava.awt.headless=false -timeoutFactor:2 -k:'!dtrace' test/javax/swing/JSplitPane/4816114/bug4816114.java

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
Test passes
ACTUAL -
----------messages:(4/124)----------
command: main bug4816114
reason: User specified action: run main bug4816114
Mode: othervm
elapsed time (seconds): 5.44
----------configuration:(0/0)----------
----------System.out:(0/0)----------
----------System.err:(13/806)----------
java.lang.Error: The divider location is wrong.
at bug4816114.main(bug4816114.java:82)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:564)
at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:115)
at java.base/java.lang.Thread.run(Thread.java:844)

JavaTest Message: Test threw exception: java.lang.Error: The divider location is wrong.
JavaTest Message: shutting down test

STATUS:Failed.`main' threw exception: java.lang.Error: The divider location is wrong.


---------- BEGIN SOURCE ----------
http://hg.openjdk.java.net/jdk10/jdk10/jdk/file/777356696811/test/javax/swing/JSplitPane/4816114/bug4816114.java
---------- END SOURCE ----------

FREQUENCY : always