@Test
public void locateEndPointNoGrails() {
FrameBuilder b = new SimpleFrameBuilder();
Operation httpOp = new Operation().type(OperationType.HTTP);
b.enter(httpOp);
b.enter(new Operation());
Frame simpleFrame = b.exit();
assertNotNull("No simple frame", simpleFrame);
Frame httpFrame = b.exit();
Trace trace = Trace.newInstance(app, TraceId.valueOf("0"), httpFrame);
EndPointAnalysis ep = endPointAnalyzer.locateEndPoint(trace);