hg: jdk8u/jdk8u-dev/jdk: 8210695: Create test to cover JDK-8205330 InitialDirContext ctor sometimes throws NPE if the server has sent a disconnection

[rob.mckenna at oracle.com]

Changeset: a3e85be83f58
Author:    robm
Date:      2018-10-05 14:11 -0700
URL:       http://hg.openjdk.java.net/jdk8u/jdk8u-dev/jdk/rev/a3e85be83f58

8210695: Create test to cover JDK-8205330 InitialDirContext ctor sometimes throws NPE if the server has sent a disconnection
Reviewed-by: vtewari, dfuchs, chegar, coffeys

+ test/com/sun/jndi/ldap/DisconnectNPETest.java