Why think unit tests should be in their own source code hierarchy instead of side-by-side

[bauss]

On Friday, 23 March 2018 at 00:47:20 UTC, Tony wrote:
> I think unittest blocks are good for write-once and 
> quick-and-dirty projects, or as a first-cut of testing that 
> ultimately gets moved to a full-grown test suite in a separate 
> project. I'd prefer not to read source code that has unittest 
> blocks inter-mixed with the actual code.

I partially agree with this.

It's really annoying if you have to look for an implementation 
and then half the module is unittests and searching isn't always 
straightforward.