>>989
そのWikipediaから引用

> By focusing on writing only the code necessary to pass tests, designs can often be cleaner and clearer than is achieved by other methods.

> Test-driven development offers more than just simple validation of correctness, but can also drive the design of a program.

TDDによってプログラムのデザインが綺麗になるとか書かれてますけど
いったいどこを読んでるの?