javax/swing/JButton/PressedButtonRightClickTest.java fails running in a bunch

ADDITIONAL SYSTEM INFORMATION :
JDK under test: C:\\Program Files\\Java\\jdk-10.0.1
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)

Microsoft Windows [Version 10.0.16299.371]

Darwin unit 17.5.0 Darwin Kernel Version 17.5.0: Fri Apr 13 19:32:32 PDT 2018; root:xnu-4570.51.2~1/RELEASE_X86_64 x86_64

A DESCRIPTION OF THE PROBLEM :
The test javax/swing/JButton/PressedButtonRightClickTest.java fails running in a bunch javax/swing/JButton.
The issue was observed on Windows10 and MacOS
The test passes in standalone mode.

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
$ jtreg -testjdk:"C\:/Program\ Files/Java/jdk-10.0.1/" -javaoptions:"-Djava.awt.headless=false" -timeoutFactor:2 javax/swing/JButton


EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
test passes
ACTUAL -
#section:main
----------messages:(5/233)----------
command: main PressedButtonRightClickTest
reason: Assumed action based on file name: run main PressedButtonRightClickTest
Mode: othervm
Additional options from @modules: --add-modules java.desktop
elapsed time (seconds): 3.933
----------configuration:(3/43)----------
Boot Layer
  add modules: java.desktop

----------System.out:(0/0)----------
----------System.err:(14/894)----------
java.lang.RuntimeException: Test Failed!
at PressedButtonRightClickTest.test(PressedButtonRightClickTest.java:94)
at PressedButtonRightClickTest.main(PressedButtonRightClickTest.java:66)
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.RuntimeException: Test Failed!
JavaTest Message: shutting down test

STATUS:Failed.`main' threw exception: java.lang.RuntimeException: Test Failed!

---------- BEGIN SOURCE ----------
http://hg.openjdk.java.net/jdk10/jdk10/jdk/file/777356696811/test/javax/swing/JButton/PressedButtonRightClickTest.java
---------- END SOURCE ----------

FREQUENCY : always