FIX: If you delete a user, delete their queued posts as well.

spec/models/user_spec.rb

@@ -105,11 +105,13 @@ describe User do
       @post3 = Fabricate(:post, user: @user)
       @posts = [@post1, @post2, @post3]
       @guardian = Guardian.new(Fabricate(:admin))
+      @queued_post = Fabricate(:queued_post, user: @user)
     end
 
     it 'allows moderator to delete all posts' do
       @user.delete_all_posts!(@guardian)
       expect(Post.where(id: @posts.map(&:id))).to be_empty
+      expect(QueuedPost.where(user_id: @user.id).count).to eq(0)
       @posts.each do |p|
         if p.is_first_post?
           expect(Topic.find_by(id: p.topic_id)).to be_nil