^ THIS ^ This is the whole of Rocket Science. You can't test for some conditions, you can only test IN them by actually launching a rocket. I think of it like

^ THIS ^ This is the whole of Rocket Science. You can't test for some conditions, you can only test IN them by actually launching a rocket. I think of it like diving into a pool. There is no way to practice diving into a pool before actually diving in. You learn to dive by diving.