           case 2:
                    status_log.innerHTML = "inside window: done";

                    movementX_Y_inside_window_Test.step(function() {
                        assert_equals(movementX_sum, screenX_last - screenX_init, "sum of movementX = screenX_last - screenX_init");
                        assert_equals(movementY_sum, screenY_last - screenY_init, "sum of movementY = screenY_last - screenY_init");
                    });
                    movementX_Y_inside_window_Test.done();
        