use the shared XPath test code in chart2
use the shared XPath test code in chart2

Change-Id: Ia8481516eb3d53f406824cc2ef8873fe1cba3909

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