gbuild: correct instructions for running an individual junit test
gbuild: correct instructions for running an individual junit test

Change-Id: Ied3e6c042bc6cbdbfe0e9773d5c1e1de55141902

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