feature/plural: fixed bug bug in tests and API cancelled each other out Change-Id: I94520066f30180448c84bc195ea3b6797432d452 Reviewed-on: https://go-review.googlesource.com/58412 Run-TryBot: Marcel van Lohuizen <mpvl@golang.org> Reviewed-by: Nigel Tao <nigeltao@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org>