Simple fix to add a missing closing bracket to `PickResult::toString`. This includes a unit test that fails without the fix and passes with the fix.
------------- Commit messages: - 8264162: PickResult.toString() is missing the closing square bracket Changes: https://git.openjdk.java.net/jfx/pull/443/files Webrev: https://webrevs.openjdk.java.net/?repo=jfx&pr=443&range=00 Issue: https://bugs.openjdk.java.net/browse/JDK-8264162 Stats: 33 lines in 2 files changed: 33 ins; 0 del; 0 mod Patch: https://git.openjdk.java.net/jfx/pull/443.diff Fetch: git fetch https://git.openjdk.java.net/jfx pull/443/head:pull/443 PR: https://git.openjdk.java.net/jfx/pull/443
