Add helper functions for unit test & add new test that currently fails.
Add helper functions for unit test & add new test that currently fails.

Change-Id: I503fc26ccc0f117c626e78a8a1dd07ff32a06432

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