Make CppunitTest_sw_rtfexport use DECLARE_SW_ROUNDTRIP_TEST()
Make CppunitTest_sw_rtfexport use DECLARE_SW_ROUNDTRIP_TEST()

Change-Id: I50babe172d3c9a46256ac3dc95a3b7591cd3c777

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