Disable update check test when testing wrappers
Disable update check test when testing wrappers

The checkUpdate test is intended for testing real storages, not
wrappers.

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