Constrain input for `Step.options.buttons` to an array of buttons.#271

Merged

RobbieTheWagner merged 3 commits intomasterfrom clean-buttons-logic

Oct 12, 2018

+71-70

Commits on Oct 11, 2018

Remove flakiness from buttons acceptance test
BrianSipple
committed

Commits on Oct 12, 2018