public void TestDelete(bool isInUse)
        {
            Mock<IAreaDao> areaDaoMock = new Mock<IAreaDao>();
            areaDaoMock.Setup(x => x.IsInUse(It.IsAny<Area>())).Returns(isInUse);
            areaDaoMock.Setup(x => x.Delete(It.IsAny<Area>()));

            Area area = new Area();

            IAreaService areaService = new AreaService(areaDaoMock.Object);
            areaService.Delete(area);

            areaDaoMock.Verify(x => x.IsInUse(area), Times.Once);
            areaDaoMock.Verify(x => x.Delete(area), Times.Once);
        }