Diatonic fifth fails to terminate in AugmentedTriad

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When trying to refactor the chords to use the Diatonic intervals, a few errors occurred:

• Interval is incorrect
• Infinite loop when running second test

[CookieComputing]

I'm guessing that this also probably appears elsewhere as well, since augmented triad isn't anything incredibly special.

[CookieComputing]

Apparently I just made a mistake, it was just that I forgot to add a sharp. Whoops!