tests/tests.rb in mercadopago-sdk-0.2.0 vs tests/tests.rb in mercadopago-sdk-0.3.1

@@ -9,10 +9,10 @@
 		@mp = MercadoPago.new("CLIENT_ID", "CLIENT_SECRET")
 	end
 
 	# Call preference added through button flow
 	def test_get_preference
-		preferenceData = Hash["items" => Array(Array["title"=>"testCreate", "quantity"=>1, "unit_price"=>10.2, "currency_id"=>"ARS"])]
+		preferenceData = {"items" => ["title"=>"testCreate", "quantity"=>1, "unit_price"=>10.2, "currency_id"=>"ARS"]}
 
 		preference = @mp.create_preference(preferenceData)
 
 		preference = @mp.get_preference(preference['response']['id']);