Expand unit tests to cover old and new implementation

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1621985 13f79535-47bb-0310-9956-ffa450edef68
Update names

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1621986 13f79535-47bb-0310-9956-ffa450edef68
Name only cookies now always return a zero length value rather than a
null value.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1621987 13f79535-47bb-0310-9956-ffa450edef68
Adjust test as RFC6265/2109 parser only permits $Version=1

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1621988 13f79535-47bb-0310-9956-ffa450edef68