CppunitTest_sw_ooxmlexport: port testFdo66688 to textboxes
CppunitTest_sw_ooxmlexport: port testFdo66688 to textboxes

Change-Id: Iada46e037844b010959b153b5e895fd2be021d68

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