hg: jdk10/sandbox/jdk: http-client-branch: add new test for request builder

[chris.hegarty at oracle.com]

Changeset: 77a55aa5c490
Author:    chegar
Date:      2017-10-28 21:58 +0100
URL:       http://hg.openjdk.java.net/jdk10/sandbox/jdk/rev/77a55aa5c490

http-client-branch: add new test for request builder

+ test/java/net/httpclient/RequestBuilderTest.java