public async void PostAsync_True()
        {
            //Arrange
            string connectionString = @"Data Source=VLAD191100\VLAD191100;Database=HyperWalletTest;User ID=vlad191100;Password=Vlad18201111;Connect Timeout=30;Encrypt=False;TrustServerCertificate=False;ApplicationIntent=ReadWrite;MultiSubnetFailover=False";
            DbContextOptionsBuilder <Context> options = new DbContextOptionsBuilder <Context>();

            options.UseSqlServer(connectionString);
            Context context = new Context(options.Options);
            PaymentDatabaseWorker worker = new PaymentDatabaseWorker(context);
            string id = new Random().Next().ToString();

            Server.Database.Model.Payment payment = new Server.Database.Model.Payment()
            {
                Amount           = 20,
                Id               = id.ToString(),
                Currency         = "USD",
                DestinationToken = "usr-4beda015-edb5-4dd1-a881-60ae59c8db50"
            };

            //Act
            bool result = await worker.PostAsync(payment);

            //Assert
            Assert.True(result);
        }
        public async void GetAsync_Count_NotNull()
        {
            //Arrange
            string connectionString = @"Data Source=VLAD191100\VLAD191100;Database=HyperWalletTest;User ID=vlad191100;Password=Vlad18201111;Connect Timeout=30;Encrypt=False;TrustServerCertificate=False;ApplicationIntent=ReadWrite;MultiSubnetFailover=False";
            DbContextOptionsBuilder <Context> options = new DbContextOptionsBuilder <Context>();

            options.UseSqlServer(connectionString);
            Context context = new Context(options.Options);
            PaymentDatabaseWorker worker = new PaymentDatabaseWorker(context);

            //Act
            List <Server.Database.Model.Payment> list = await worker.GetAsync();

            //Assert
            Assert.True(list != null);
        }