Test out the route,走一遍流程
test out:1.充分检验
This new switch mechanism hasn't been fully tested out.
这种新的开关装置尚未经过充分检验。

But I wanted to do a dry run,可是我想排练一下
dry run:固定词组 ph.
1.排练;演习
2.摹拟演习;非实弹演习
We need to save at least half an hour for another dry run.
我们必须剩下至少半个小时再来进行一次演习。

You sound like me. Yeah, but... I was joking.这是我的台词是 不过我开玩笑的
sound like:听起来像
This might sound like hyperbole.
这听起来或许很夸张。