public void insertPipelineActivity() {
OperationWrapperNode opNode = model.getStartNode();
OperationPipeline pipeline = opNode.getPipeline();
Listener lst = new PipelineActivityInsertedListener();
model.addModelListener(lst);
pipeline.insertAfter(new ScriptActivity("S"), pipeline.getFirstActivity());
lst.verify();
}
private static class PipelineActivityInsertedListener extends Listener {