即使这篇文章很旧，简单点检查：您的Test-Method是否以前缀test开头？

Simple point to check even if this post is quite old: Does your Test-Method start with the prefix "test"?

省略前缀不会产生一个警告，Xcode根本不会执行该方法。

Omitting the prefix doesn't produce a warning and Xcode simply doesn't execute the method any more.

这可能看起来像Xcode不会在你的断点停止 - 但是Xcode不执行所有方法！

This can look like Xcode doesn't stop at your breakpoint - nevertheless Xcode doesn't execute the method at all!