Regression test javax/swing/JComboBox/8015300/Test8015300.java is unstable and often fails (and sometimes passes).
Test fails with the following messages:
Error: Some tests failed or other problems occurred.

or

Failed. Execution failed: `main' threw exception: sun.awt.SunToolkit$OperationTimedOut: 10004




Testsuite name: regression-gui
Product(s) tested: JDK
OS/architecture: linux

Error log file: http://scaaa008.us.oracle.com:9502/runs%2F378492.ute.st2-6/results/workDir/javax/swing/JComboBox/8015300/Test8015300.jtr

Reproducible: very often
Reproducible on machine: see comments section


Is it a Regression: No

Is it a platform specific issue: Yes

Test run log location: http://aurora.ru.oracle.com/slot-gw/378492.ute.st2-6/results/workDir/javax/swing/JComboBox/8015300/Test8015300
Steps to reproduce:

1)ssh to host

2)
export DISPLAY=:0
/net/vmsqe.ru.oracle.com/export/gtee/bin/jdk install_bundles -srcdirbase /net/vice.ru.oracle.com/export/home0/jdk -release 1.8.0_05 -build b07 -jdkrename true -arch linux-amd64 -type tar
/net/vmsqe.ru.oracle.com/export/gtee/bin/jdk install_bundles -srcdirbase /net/vice.ru.oracle.com/export/home0/jdk -release 1.8.0_05 -build b03 -jdkrename true -arch linux-amd64 -type tar
/export/jdk/jdk1.8.0_05b03/bin/java -jar /net/stt-13.ru.oracle.com/export/home0/jtreg/lib/jtreg.jar -v -testjdk /export/jdk/jdk1.8.0_05b07 -dir:/net/stt-13.ru.oracle.com/export/home0/regression/workspaces/8/1.8.0_05b07/j2se/test/ javax/swing/JComboBox/8015300/Test8015300.java