This PR updates a couple test utility classes, JdkClient and JdkServer. Theseclasses extend AbstractPeer which contains a `namedGroup` field however, when creating/configuring the objects, the field is ignored. This PR just makes sure to include named groups if they are specified.
------------- Commit messages: - 8373101: JdkClient and JdkServer test classes ignore namedGroups field Changes: https://git.openjdk.org/jdk/pull/28664/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=28664&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8373101 Stats: 25 lines in 2 files changed: 22 ins; 1 del; 2 mod Patch: https://git.openjdk.org/jdk/pull/28664.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/28664/head:pull/28664 PR: https://git.openjdk.org/jdk/pull/28664
