Make Swift test robust if container didn't exist
Make Swift test robust if container didn't exist

pixelipo/server,pixelipo/server,jbicha/server,endsguy/server,bluelml/core,sharidas/core,whitekiba/server,michaelletzgus/nextcloud-server,endsguy/server,pmattern/server,IljaN/core,andreas-p/nextcloud-server,sharidas/core,andreas-p/nextcloud-server,cernbox/core,michaelletzgus/nextcloud-server,jbicha/server,endsguy/server,pixelipo/server,pixelipo/server,owncloud/core,michaelletzgus/nextcloud-server,pollopolea/core,whitekiba/server,owncloud/core,xx621998xx/server,IljaN/core,nextcloud/server,owncloud/core,IljaN/core,whitekiba/server,bluelml/core,cernbox/core,IljaN/core,bluelml/core,bluelml/core,pollopolea/core,sharidas/core,cernbox/core,Ardinis/server,nextcloud/server,pmattern/server,nextcloud/server,owncloud/core,xx621998xx/server,pmattern/server,jbicha/server,Ardinis/server,jbicha/server,pmattern/server,Ardinis/server,pollopolea/core,cernbox/core,xx621998xx/server,whitekiba/server,jbicha/server,andreas-p/nextcloud-server,xx621998xx/server,nextcloud/server,Ardinis/server,whitekiba/server,michaelletzgus/nextcloud-server,owncloud/core,endsguy/server,pollopolea/core,andreas-p/nextcloud-server,phil-davis/core,endsguy/server,pmattern/server,pollopolea/core,Ardinis/server,andreas-p/nextcloud-server,xx621998xx/server,sharidas/core,IljaN/core,cernbox/core,pixelipo/server,sharidas/core,bluelml/core