we only need one copy of this test :p
add missing develop prereq
add missing (conditional) prereq

We don't always use namespace::autoclean, but we can't add the prereq in
Makefile.PL using code because MooseX::Types hasn't necessarily been installed
yet, so we can't reliably interrogate its final version.
MooseX-Types-URI-0.07

  - add missing prereq declaration