It seems to require Data::Dump which I do not have installed, although I do have Data::Dumper. If Data::Dump is indeed a prereq, then it should be specified in the Makefile.PL so that it gets prepended to the install. If it is an optional module, then the test should be rewritten to reflect this.
The failing test is base/message-parts.t -- Laughing Dragon Services http://www.webdragon.net/