it "should show a waiting message until invoice is successefully paid" do
    @invoice = Fabricate(:invoice) { status "pending" }
    get :receive_payment, :secure_id => @invoice.to_secure_id
    response.should render_template ('invoice/receive_payment')

  end

  it "should redirect to invoice if status = paid " do
    @invoice = Fabricate(:invoice) { status "paid" }
    get :receive_payment, :secure_id => @invoice.to_secure_id
    response.should redirect_to(view_invoice_url)
  end