unit test fdo#50345 accept empty string as scalar numeric 0 argument
unit test fdo#50345 accept empty string as scalar numeric 0 argument

Change-Id: Ie04cb8d32e9328212d41fedb63cf81b235aa69de

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