IMAGE-1097 cloud-init doesn't use sdc:routes metadata

*** 412,421 ****
--- 412,428 ----
          ret = dsrc.get_data()
          self.assertTrue(ret)
          self.assertEqual(MOCK_RETURNS['sdc:uuid'],
                           dsrc.metadata['instance-id'])
  
+     def test_routes(self):
+         dsrc = self._get_ds(mockdata=MOCK_RETURNS)
+         ret = dsrc.get_data()
+         self.assertTrue(ret)
+         self.assertEqual(MOCK_RETURNS['sdc:routes'],
+                          dsrc.metadata['routes'])
+ 
      def test_root_keys(self):
          dsrc = self._get_ds(mockdata=MOCK_RETURNS)
          ret = dsrc.get_data()
          self.assertTrue(ret)
          self.assertEqual(MOCK_RETURNS['root_authorized_keys'],