@Test
public void testReset() {

  v1.reset();
  assertEquals(100.0, v1.reqCarburantRestant(), 0.0001);
  assertEquals(1.0, v1.reqSante(), 0.0001);
  assertEquals(0.0, v1.reqPosition().getX(), 0.0001);
  assertEquals(0.0, v1.reqPosition().getY(), 0.0001);
  assertTrue(v1.reqVitesse().getNorme() == Math.sqrt(2));
}