@Test
public void shouldUpdateDroneLocation() {
Tracker tracker = new SimpleTrackerFactory().create("drone1", "my tracker");
trackerData.register((Observer) tracker);
Assert.assertEquals(1, trackerData.getTrackers().size());
MapPoint oldPosition = tracker.getCurrentPosition();
tracker.calculate();
MapPoint newPosition = tracker.getCurrentPosition();
System.out.println("........." + oldPosition.getLongitude());
System.out.println("........." + newPosition.getLatitude());
Assert.assertNotSame(newPosition, oldPosition);
Assert.assertSame(oldPosition, tracker.getPositions().get(0));
}
