Add tests for NULL parameters for FsElementAddedErrors
Add tests for NULL parameters for FsElementAddedErrors

ahmedammar/skype_farsight2,ahmedammar/skype_farsight2,shadeslayer/farstream,ahmedammar/skype_farsight2,shadeslayer/farstream,tieto/farstream,pexip/farstream,shadeslayer/farstream,kakaroto/farstream,kakaroto/farstream,tieto/farstream,kakaroto/farstream,tieto/farstream,pexip/farstream,kakaroto/farstream,tieto/farstream,tieto/farstream,ahmedammar/skype_farsight2,pexip/farstream,pexip/farstream,shadeslayer/farstream