test failed with jdk10 on windows 7
----------System.err:(15/995)----------
java.lang.RuntimeException: Cannot select an item from popup with the ENTER key.
at bug6559152.checkResult(bug6559152.java:100)
at bug6559152.test(bug6559152.java:84)
at bug6559152.main(bug6559152.java:54)
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: Cannot select an item from popup with the ENTER key.
JavaTest Message: shutting down test

STATUS:Failed.`main' threw exception: java.lang.RuntimeException: Cannot select an item from popup with the ENTER key.