chore: test in node v7 too (#577)
chore: test in node v7 too (#577)


alangpierce/decaffeinate,alangpierce/decaffeinate,eventualbuddha/decaffeinate,eventualbuddha/decaffeinate,decaffeinate/decaffeinate,decaffeinate/decaffeinate,alangpierce/decaffeinate