public void ChangeDeviceStatusToFalseTest()
{
// arrange
const int applicationNumber = 1;
const string name = "Dell Vostro";
const string type = "Notebook";
DateTime registerDate = new DateTime(2016, 3, 15);
const bool state = true;
Device device = new Device(applicationNumber, name, type, registerDate, state);
DeviceManager deviceManager = new DeviceManager();
// act
deviceManager.ChangeDeviceStatus(device);
// assert
Assert.IsFalse(device.State);
}