public void ShouldGetDependentCount()
        {
            Dictionary <DateTime, int> expected = new Dictionary <DateTime, int>()
            {
                { new DateTime(), 3 }
            };
            Mock <IDashboardService> mockService = new Mock <IDashboardService>();

            mockService.Setup(s => s.GetDailyDependentCount(It.IsAny <int>())).Returns(expected);
            DashboardController controller = new DashboardController(
                mockService.Object);

            IActionResult actualResult = controller.GetDependentCount(-480);

            Assert.IsType <JsonResult>(actualResult);
            Assert.True(((JsonResult)actualResult).Value.IsDeepEqual(expected));
        }