CppunitTest_sw_ooxmlsdrexport: port testFdo73247 to textboxes

Change-Id: Ie9653c3a4c4e09d052027580036d73c20cc576ab
CppunitTest_sw_ooxmlsdrexport: port testFdo70942 to textboxes

Change-Id: I417405192a74f340aaf80b911d9a8b16b3a83d6f