With the integration of JDK-8276559, validate header failed as there is one missing comma after 2021 in `test/jdk/java/net/httpclient/HeadTest.java`
------------- Commit messages: - 8277313: Validate header failed for test/jdk/java/net/httpclient/HeadTest.java Changes: https://git.openjdk.java.net/jdk/pull/6424/files Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=6424&range=00 Issue: https://bugs.openjdk.java.net/browse/JDK-8277313 Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod Patch: https://git.openjdk.java.net/jdk/pull/6424.diff Fetch: git fetch https://git.openjdk.java.net/jdk pull/6424/head:pull/6424 PR: https://git.openjdk.java.net/jdk/pull/6424
