public async Task MeasurementService_GetSensorDataAsync_Tests()
        {
            //Valid Tests
            repoMock.Setup(t => t.GetContentAsync(It.IsAny <string>())).ReturnsAsync("2018-11-29T07:54:55,,03");
            var result = await service.GetSensorDataAsync("deviceId", DateTime.Now, Sensors.Humidity);

            Assert.IsType <SensorData>(result);
            Assert.Equal(result.Sensor, Sensors.Humidity.ToString());

            //Invalid Tests
            repoMock.Setup(t => t.GetContentAsync(It.IsAny <string>())).ThrowsAsync(new Exception());
            result = await service.GetSensorDataAsync("deviceId", DateTime.Now, Sensors.Humidity);

            Assert.Null(result);
        }