Made sure all Nodes in fixtures have a valid STI sub-type, and are not raw Node objects (being sloppy before led to new test cases failing for wrong reason....).
Made sure all Nodes in fixtures have a valid STI sub-type, and are not
raw Node objects (being sloppy before led to new test cases failing for
wrong reason....).

gleneivey/wontomedia,gleneivey/wontomedia,gleneivey/wontomedia,gleneivey/wontomedia