Better error message in test.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/csv/trunk@1603203 13f79535-47bb-0310-9956-ffa450edef68
Camel case.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/csv/trunk@1603204 13f79535-47bb-0310-9956-ffa450edef68
Revert previous commit.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/csv/trunk@1603206 13f79535-47bb-0310-9956-ffa450edef68