InvalidBinding test needs to test the right things.
InvalidBinding test needs to test the right things.

Its valid to use the empty string "" as a binding name, cause its the
default binding.

mjs/juju,anastasiamac/juju,mikemccracken/juju,waigani/juju,mjs/juju,anastasiamac/juju,marcmolla/juju,waigani/juju,anastasiamac/juju,ericsnowcurrently/juju,bac/juju,mjs/juju,ericsnowcurrently/juju,mjs/juju,waigani/juju,alesstimec/juju,alesstimec/juju,mjs/juju,bac/juju,ericsnowcurrently/juju,anastasiamac/juju,bac/juju,ericsnowcurrently/juju,mikemccracken/juju,waigani/juju,mikemccracken/juju,marcmolla/juju,alesstimec/juju,marcmolla/juju,mjs/juju,mikemccracken/juju,anastasiamac/juju,bac/juju,mikemccracken/juju,alesstimec/juju,bac/juju,ericsnowcurrently/juju,marcmolla/juju,mjs/juju,alesstimec/juju,marcmolla/juju