Add a test for parallel insert
Add a test for parallel insert

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