public async Task AddItemTest() { var jsonString = @" { 'itemName':'Bread', 'itemQuantity': 32 } "; var itemName = "Bread"; var request = new APIGatewayProxyRequest { Body = jsonString, }; var context = new TestLambdaContext(); var expectedResponse = new APIGatewayProxyResponse { StatusCode = 200, Body = $"Successfully added item: {itemName}" }; var function = new Function(); var response = await function.AddItemToCart(request, context); Assert.Equal(expectedResponse.StatusCode, response.StatusCode); //Assert.Equal(expectedResponse.Body, response.Body); }