hg: jdk/sandbox: http-client-branch: review comment - add more coverage for HttpClientImpl operations ref count

[daniel.fuchs at oracle.com]

Changeset: 71b78a44c698
Author:    dfuchs
Date:      2018-04-16 13:57 +0100
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/71b78a44c698

http-client-branch: review comment - add more coverage for HttpClientImpl operations ref count

! test/jdk/java/net/httpclient/CancelledResponse.java
! test/jdk/java/net/httpclient/InvalidInputStreamSubscriptionRequest.java
! test/jdk/java/net/httpclient/InvalidSubscriptionRequest.java