我发现问题的解决方案真的很简单：

I've found the solution of the problem and it is really simple:

在我的解决方案的构建配置中，没有检查方法所在的项目的Build复选框。我检查了，现在一切正常。

In my solution's build configuration, the "Build" check-box of the project where the methods are, that get over-stepped, was not checked. I checked it, and now everything works.