public void Get_FromDate_Test()
        {
            //Arrange
            var diagnosticsServiceMock = new Mock <IDiagnosticsService>();
            var cookieParserMock       = new Mock <ICookieParser>();
            var diagnostics            = new List <Diagnostics>
            {
                new Diagnostics
                {
                    DiagnosticsId = 1
                }
            };

            diagnosticsServiceMock.Setup(t => t.FetchDiagnosticsFromDate(new DateTime(1, 1, 1)))
            .Returns(diagnostics);

            var diagnosticsMapperStub = new Mock <IDiagnosticsMapper>();

            var diagnosticsController =
                new DiagnosticsController(diagnosticsServiceMock.Object,
                                          diagnosticsMapperStub.Object,
                                          cookieParserMock.Object);

            //Act
            IList <TransferDiagnostics> actualTransferDiagnostics = diagnosticsController.Get(new DateTime(1, 1, 1));

            //Assert
            Assert.That(actualTransferDiagnostics, Is.Not.Null);
            Assert.That(actualTransferDiagnostics.Count, Is.EqualTo(1));
            diagnosticsServiceMock.Verify(t => t.FetchDiagnosticsFromDate(new DateTime(1, 1, 1)), Times.Once());
        }