context "regression" do
    class TestOther
      include Mongoid::Document
      belongs_to :test_regression
    end

    class TestRegression
      include Mongoid::Document

      has_many :test_others

      field :a
      field :b

      after_create :create_other
      after_save :update_b

      def create_other
        test_others.create()
      end

      def update_b
        if a_changed? && b.nil?
          update_attributes(:b => "foo")
        end
      end
    end

    it "does not work" do
      t = TestRegression.create(:a => "Hi")
      t.reload().b.should == "foo"
    end
  end