Replace collection with board in the code, tests green

app/models/board.rb

@@ -0,0 +1,14 @@
+class Board < ApplicationRecord
+  include AutoClosing, Accessible, Broadcastable, Cards, Entropic, Filterable, Publishable, Triageable
+
+  belongs_to :creator, class_name: "User", default: -> { Current.user }
+
+  has_rich_text :public_description
+
+  has_many :tags, -> { distinct }, through: :cards
+  has_many :events
+  has_many :webhooks, dependent: :destroy
+
+  scope :alphabetically, -> { order("lower(name)") }
+  scope :ordered_by_recently_accessed, -> { merge(Access.ordered_by_recently_accessed) }
+end