weird state AR Template error in spree 1.3.3 extension

helper.rb

def add_to_cart(name, variant=nil)
  visit spree.root_path
	click_link name
	choose variant if variant
	click_button 'add-to-cart-button'
end

def user_login(user)
	fill_in 'spree_user_email', :with => user.email
	fill_in 'spree_user_password', :with => 'secret'
	click_button 'Login'
end

def init_checkout
	visit spree.cart_path
	click_on "Checkout"
	user_login(user)
end

def fill_out_address
		address = FactoryGirl.attributes_for(:address)
		within('#billing') do
			fill_in 'First Name', :with => address['firstname']
			fill_in 'Last Name', :with => address['lastname']
			fill_in 'Address', :with => address['address1']
			fill_in 'order_bill_address_attributes_state_name', :with => address['state_name'] 
			fill_in 'Zip', :with => address['zip']
			select FactoryGirl.attributes_for(:contry)[:name], :for => 'Country'
			fill_in 'Phone', :with => address['phone']
		end
		within('#shipping') do
			check('Use Billing Address')
		end
end

spec.rb

require 'spec_helper'

feature 'Checkbox on checkout to save cc', %q{
  As a user
	I want to see a checkbox to save my cc info
	When I imput my cc number for checkout
} do
	let (:user) { create(:user) }
	background do
		@product = create(:product, name: 'awesome-sauce')
		add_to_cart(@product.name)
	end

	scenario 'I want to add a credit card to my account' do
		init_checkout
		fill_out_address
		click_button 'Save and Continue'
		page.should have_content 'Save Credit Card'
	end
end