Merge Request uses StateMachine now

spec/models/milestone_spec.rb

@@ -7,7 +7,7 @@
 #  project_id  :integer          not null
 #  description :text
 #  due_date    :date
-#  closed      :boolean          default(FALSE), not null
+#  state       :string           default(FALSE), not null
 #  created_at  :datetime         not null
 #  updated_at  :datetime         not null
 #