CppunitTest_sw_ooxmlsdrexport: port testLineStyle_DashType_VML to textboxes
CppunitTest_sw_ooxmlsdrexport: port testLineStyle_DashType_VML to textboxes

Change-Id: Idb4807a58b6008afeb3e26d03b699671c0b88f7c

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