Move XEnumeration Java tests to C++ for
ScIndexEnumeration_TableColumnsEnumeration.

Change-Id: Id4a3f78942b3bed2a09f617b961507a01374f455
Reviewed-on: https://gerrit.libreoffice.org/63485
Tested-by: Jenkins
Reviewed-by: Jens Carl <j.carl43@gmx.de>