public void Three_tasks_where_two_depend_on_one()
 {
     definition = Define.It(d =>
     {
         d.Task("build1", t => build1Executed++, "build2", "build3");
         d.Task("build2", t => build2Executed++, "build3");
         d.Task("build3", t => build3Executed++);
     });
     definition.ExecuteTasksWithName("build1");
 }