add unittest for moving around the marks
add unittest for moving around the marks

Change-Id: I31849e655ab9e9c9acc62f1fdc124d40342deb49
Reviewed-on: https://gerrit.libreoffice.org/9069
Reviewed-by: Björn Michaelsen <e7b7acdb701579ea6e93eb181deb22e8c89dcb50@canonical.com>
Tested-by: Björn Michaelsen <e7b7acdb701579ea6e93eb181deb22e8c89dcb50@canonical.com>

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core