public void GetPaymentByUid_Returns_PaymentDto()
        {
            // Arrange
            var uid = "uid";
            var dbContextMock = _mocks.Create<IDatabaseContext>();
            dbContextMock.Setup(m => m.GetByUid<PaymentDto>(uid))
                .Returns(new PaymentDto());

            var paymentBLL = new PaymentBLL(dbContextMock.Object, null);

            // Act
            var res = paymentBLL.GetPaymentByUid(uid);

            // Assert
            _mocks.Verify();
            Assert.IsInstanceOfType(res, typeof(PaymentDto));
        }