Migrate estree-ast-utils from tape to test_runner

[PierreDemailly]

Exemple PR #108

[FredGuiou]

@PierreDemailly Could you assign it to me ? I'm gonna try to complete this issue. 🤓

[jean-michelet]

I don't think you should worry about being assigned @FredGuiou, because we know who you are.
Imo, just tell us you want to fix it and go for it 👍