protected override void ArrangeMethod()
            {
                target = new SourceWeakEventHandlerSet <EventArgs>();
                var ehStatic = new EventHandler <EventArgs>(StaticMethod);

                target.Add(ehStatic);
                var ehInstance = new EventHandler <EventArgs>(InstanceMethod);

                target.Add(ehInstance);
            }
 protected override void ArrangeMethod()
 {
     target = new SourceWeakEventHandlerSet <EventArgs>();
 }