The _XNamedRanges test are already written in C++ since commit
b9337e22.

Change-Id: I8610cc50ce23de7183efb5d9b6b436f1b9dceae1
Reviewed-on: https://gerrit.libreoffice.org/41349Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Markus Mohrhard <markus.mohrhard@googlemail.com>