public void WhenJsonFleetStats_ThenReturnsFleetStatistics()
        {
            var fleetSummaryStatistics = new FleetStatistics(new VehicleStatisticsModel[0]);

            MockHandlerFor(
                () => new Mock <GetFleetSummaryStatistics>(null),
                x => x.Setup(h => h.Execute(defaultUser.UserId))
                .Returns(fleetSummaryStatistics)
                );

            TestableVehicleController controller = GetTestableVehicleController();
            JsonResult result = controller.JsonFleetStatistics();

            Assert.NotNull(result);

            Assert.Same(fleetSummaryStatistics, result.Data);
        }