Fix tests after the removal of memberships

app/models/board.rb

@@ -1,8 +1,8 @@
 class Board < ApplicationRecord
   include Accessible, AutoPostponing, Broadcastable, Cards, Entropic, Filterable, Publishable, Triageable
 
-  belongs_to :account, default: -> { creator.account }
   belongs_to :creator, class_name: "User", default: -> { Current.user }
+  belongs_to :account, default: -> { creator.account }
 
   has_rich_text :public_description
 

app/models/current.rb

@@ -7,8 +7,16 @@ class Current < ActiveSupport::CurrentAttributes
   def session=(value)
     super(value)
 
-    if value.present? && Current.account.present?
-      self.user = identity.users.find_by(account: Current.account)
+    if value.present? && account.present?
+      self.user = identity.users.find_by(account: account)
+    end
+  end
+
+  def account=(value)
+    super(value)
+
+    if value.present? && identity.present?
+      self.user = identity.users.find_by(account: value)
     end
   end
 end

app/models/user.rb

@@ -20,7 +20,7 @@ class User < ApplicationRecord
   def deactivate
     transaction do
       accesses.destroy_all
-      update! active: false
+      update! active: false, identity: nil
     end
   end
 end