Make common paths member variables.
Make common paths member variables.

We'll need these for other tests too.

Change-Id: Ia99c2e60f5e5bb24a83875a9dcf85a6b4f54beb4

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