Regression test fails: test/closed/javax/swing/JPopupMenu/4966112/bug4966112.java

JDK: 7 b22
Tested OSes:
- Solaris nevada b70: test fails
- Linux i686: test fails
- Windows XP: test passes

Stack trace:
java.lang.RuntimeException:
Popup was not shown on spinner
Popup was not shown on filechooser
at bug4966112.main(bug4966112.java:167)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:623)
at com.sun.javatest.regtest.MainWrapper$MainThread.run(MainWrapper.java:78)
at java.lang.Thread.run(Thread.java:659)

The test logs in the attachment.