fdo#73080: Write another test case for single cell reference cases.
fdo#73080: Write another test case for single cell reference cases.

Change-Id: I8dff6850c7088b483d1ad669867da6cef454d9a2

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