public void GetBeerAsyncReturnError(string request, string endpoint)
        {
            var provider = new ContextProvider();

            BeerResponce responce = provider.GetBeerAsync(request, endpoint);

            Assert.IsNull(responce);
        }
        public void GetBeerReturnError(string id)
        {
            var mockBeerModel = new Beer();

            var mockContextProvide = new Moq.Mock <IContextProvider>();
            var mockBeerResponce   = new BeerResponce();
            var provider           = new BeerProvider(mockContextProvide.Object);

            mockContextProvide.Setup(x => x.GetBeerAsync(id, "beer/")).Returns(mockBeerResponce);
            Beer beer = provider.GetBeer(id);

            Assert.IsNull(beer);
        }