CppunitTest_sw_ooxmlexport: port testFdo60990 to textboxes

Change-Id: I5871ca0c3eea931e2144d7a469844cf3a69d0038
CppunitTest_sw_ooxmlexport: port testTableFloating to textboxes

Change-Id: Ie20e0ca939139c952f3524c7dae494e24bc7cab7