@Test
public void testMove() {
assertEquals("At the start the x: 2", 2, element.getX());
assertEquals("At the start the y: 3", 3, element.getY());
element.move(4, 5);
assertEquals("After move method calling the x became: 5", 5, element.getX());
assertEquals("After move method calling the y became: 4", 4, element.getY());
}
@Test
public void testOneStepAlien() {
assertEquals("The v must be: 3", 3, element.getY());
assertEquals("The h must be: 2", 2, element.getX());
}