TODO must be commented to test correctly

Android Programming (4th Edition) 20. Unit Testing and Audio Playback
1

Page 402, listing 20.10 (printing version):

// TODO(“Not yet implemented”)

If not commented, Test cannot run correctly.
Because verify(beatBox).play(sound) in SoundViewModelTest.callsBeatBoxPlayOnButtonClicked() cannot be excuted and caused “kotlin.NotImplementedError: An operation is not implemented: Not yet implemented”.

So if you want to see the Failing test output in Figure 20.5,
TODO must be commented!!

Thanks.

2

The next paragraph says to delete the TODO if it’s added. But yes, just looking at Listing 20.10 is misleading.

3

Yes, comment exists on the same line of code like this.

TODO(“not implemented”) //To change …

But it may be confused, because in this case // is overloaded meaning, I think.
It can be imagined either line comment for explanation of code or order to add // to TODO.

Thank you.