public async Task GetListAdminsTestAsync()
        {
            // Arrange
            mockSellerService.Setup(service => service.ListSellersAsync()).ReturnsAsync(await userHelper.GetUsers());
            SellerController controller = new SellerController(mockSellerService.Object);

            // Act
            var result = await controller.ListSellers();

            var okResult = Assert.IsType <OkObjectResult>(result);
            var model    = Assert.IsType <List <UserViewDto> >(okResult.Value);

            // Assert
            Assert.Equal((await userHelper.GetUsers()).FirstOrDefault(f => f.Email == userHelper.EmailUser).Email, model.FirstOrDefault(f => f.Email == userHelper.EmailUser).Email);
        }