Expanded tests for XML::Document#inspect.
Expanded tests for XML::Document#inspect.

jeffreybaird/oga,ttasanen/oga,dfockler/oga,jeffreybaird/oga,jeffreybaird/oga,altmetric/oga,altmetric/oga,YorickPeterse/oga,ttasanen/oga,YorickPeterse/oga,YorickPeterse/oga,ttasanen/oga,jeffreybaird/oga,altmetric/oga,dfockler/oga,dfockler/oga,dfockler/oga,altmetric/oga,jeffreybaird/oga,altmetric/oga,ttasanen/oga,ttasanen/oga,YorickPeterse/oga,dfockler/oga,YorickPeterse/oga