it("should read ethereum price through oraclize", function(){
  return Contract.deployed().then(function(instance){
      return instance;
  }).then(function(instance){
      instance.updatePrice({value:20000});
  });
});

it("should wait 1 minute and read returned value", function(){
      setTimeout(function(){
        return Contract.deployed().then(function(instance){
            return instance;
        }).then(function(instance){
            return instance.ETHUSD();
        }).then(function(result){
          console.dir(result);
        });
      }, 1000*60*3);
});