DERBY-6294  On z/os on some machines:testAttributeDrdaHost(org.apache.derbyTesting.functionTests.tests.management.NetworkServerMBeanTest)junit.framework.AssertionFailedError

Add IPV6 loopback address (0:0:0:0:0:0:0:1) to test


git-svn-id: https://svn.apache.org/repos/asf/db/derby/code/trunk@1508853 13f79535-47bb-0310-9956-ffa450edef68