@Test
 public void testResponse() {
   ServerAdditiveNoise s = new ServerAdditiveNoise(map, 1, 100, 0.5);
   PU p = new PU(0, 37.5, -87.5, map);
   s.addPU(p, 0);
   Client c = new Client(s);
   c.setLocation(500, 500);
   Response ss = s.response(c);
   assertEquals(0, s.getNumberOfLies());
   c.setLocation(520, 500);
   ss = s.response(c);
   assertTrue(
       c.getLocation().distTo(p.getLocation()) < 14
           && c.getLocation().distTo(p.getLocation()) > 8);
   assertEquals(1, s.getNumberOfLies());
   assertEquals(0, ss.getPower(), 0.01);
   c.setLocation(540, 500);
   ss = s.response(c);
   assertTrue(
       c.getLocation().distTo(p.getLocation()) < 25
           && c.getLocation().distTo(p.getLocation()) > 14);
   assertEquals(2, s.getNumberOfLies());
   assertEquals(0.5, ss.getPower(), 0.01);
   c.setLocation(600, 500);
   ss = s.response(c);
   assertTrue(c.getLocation().distTo(p.getLocation()) > 25);
   assertEquals(3, s.getNumberOfLies());
   assertEquals(0.75, ss.getPower(), 0.01);
 }
 @Test
 public void testServerAdditiveNoise() {
   ServerAdditiveNoise s = new ServerAdditiveNoise(map, 2, 100, 0.5);
   assertEquals(0.5, s.getNoiseLevel(), 0.001);
   assertEquals(0, s.getNumberOfLies());
   assertEquals(50, s.getExpectedLies());
 }
 @Test
 public void testUpdateLiesNeeded() {
   ServerAdditiveNoise s = new ServerAdditiveNoise(map, 2, 100, 0.5);
   assertEquals(0.5, s.getNoiseLevel(), 0.001);
   assertEquals(0, s.getNumberOfLies());
   assertEquals(50, s.getExpectedLies());
   PU p = new PU(0, 37.5, -87.5, map);
   s.addPU(p, 0);
   Client c = new Client(s);
   c.setLocation(600, 500);
   s.response(c);
   assertEquals(1, s.getNumberOfLies());
   s.updateLiesNeeded(200);
   assertEquals(0, s.getNumberOfLies());
   assertEquals(100, s.getExpectedLies());
 }