public async Task Should_Invoke_GetTipsByCardId_Once()
        {
            // Arrange
            const int cardId = 90;

            _tipRepository.GetByCardId(Arg.Any <long>()).Returns(new List <TipSection>());

            // Act
            await _sut.GetTipsByCardId(cardId);

            // Assert
            await _tipRepository.Received(1).GetByCardId(Arg.Any <long>());
        }