@Test
public void testIntersects() {

    try {
        morph.intersects(new Rectangle(5,5,10,10));
        fail("when you implement this method, don't forget to add tests as well");
    } catch (InternalError e) {
        // expected
    }
    try {
        morph.intersects(5,5,10,10);
        fail("when you implement this method, don't forget to add tests as well");
    } catch (InternalError e) {
        // expected
    }
}