Element trussElement = new IIOMetadataNode("truss");
trussElement.setAttribute("id", "fred");
trussElement.setAttribute("size", "12");
trussElement.setAttribute("length", "120");
trussElement.appendChild(suspendElement1);
trussElement.appendChild(suspendElement2);
Truss truss = new Truss(trussElement);
element.setAttribute("id", "friendly");
Pipe pipe = new Pipe(element);
assertSame(Mountable.Select("friendly"), pipe);