Add test case that highlights need to switch to Harmony decoder

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1451955 13f79535-47bb-0310-9956-ffa450edef68
Remove a copy/paste comment used to construct a test

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1451956 13f79535-47bb-0310-9956-ffa450edef68