public void GetCurrentLogReturnsString()
        {
            //Arrange
            var mockUow = new Mock <IUnitOfWork>();

            mockUow.Setup(a => a.Orders.GetAll()).Returns(new List <Order>());

            //Act
            var service = new RentService(mockUow.Object);
            var result  = service.GetCurrentLog("somePath");

            //Assert
            Assert.That(result, Is.TypeOf(typeof(string)));
        }