Correct test code that creates a set of unique hostnames from an array of non-unique hostname. Was using Set.of that throws if the elements are not unique.
------------- Commit messages: - Correct API to get list of unique hostnames Changes: https://git.openjdk.java.net/jdk/pull/4151/files Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=4151&range=00 Issue: https://bugs.openjdk.java.net/browse/JDK-8267544 Stats: 3 lines in 1 file changed: 1 ins; 0 del; 2 mod Patch: https://git.openjdk.java.net/jdk/pull/4151.diff Fetch: git fetch https://git.openjdk.java.net/jdk pull/4151/head:pull/4151 PR: https://git.openjdk.java.net/jdk/pull/4151
