The test doesn't take into account that SystemTray may not be supported. In case of Ubuntu this happens when `_NET_SYSTEM_TRAY` is not present.
------------- Commit messages: - initial Changes: https://git.openjdk.java.net/jdk/pull/6088/files Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=6088&range=00 Issue: https://bugs.openjdk.java.net/browse/JDK-8196440 Stats: 6 lines in 2 files changed: 4 ins; 1 del; 1 mod Patch: https://git.openjdk.java.net/jdk/pull/6088.diff Fetch: git fetch https://git.openjdk.java.net/jdk pull/6088/head:pull/6088 PR: https://git.openjdk.java.net/jdk/pull/6088
