Added a test case for misuse of namespace declaration and
resolving an element name.

Change-Id: Iadda81a82353de45418fff6315c2d9b94626126a
Reviewed-on: https://gerrit.libreoffice.org/26661Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noelgrandin@gmail.com>
Reviewed-by: Michael Meeks <michael.meeks@collabora.com>