public async void PostProduct_ActionExecutes_ReturnCreatedAction()
{
var product = products.FirstOrDefault();
_mockRepository.Setup(x => x.Create(product)).Returns(Task.CompletedTask);
var result = await _productApiController.PostProduct(product);
var createdAtActionResult = Assert.IsType <CreatedAtActionResult>(result);
_mockRepository.Verify(x => x.Create(product), Times.Once);
Assert.Equal("GetProduct", createdAtActionResult.ActionName);
}
