Fix project transfer error
When I change a project's namespace，an error occured:
NoMethodError at /admin/projects/tsl0922/jekyll
undefined method `save!' for #<ProjectTransferService:0x0000000877fb98>this commit fixed this.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
When I change a project's namespace，an error occured:
NoMethodError at /admin/projects/tsl0922/jekyll
undefined method `save!' for #<ProjectTransferService:0x0000000877fb98>this commit fixed this.