Add AKFluteTests.
Add AKFluteTests.

audiokit/AudioKit,adamnemecek/AudioKit,adamnemecek/AudioKit,eljeff/AudioKit,eljeff/AudioKit,audiokit/AudioKit,adamnemecek/AudioKit,eljeff/AudioKit,audiokit/AudioKit,adamnemecek/AudioKit,eljeff/AudioKit,audiokit/AudioKit