@Test
public void enterKeyCanvasActions() {

    final KeyDownEvent e = mockKeyDownEvent(Optional.of(KeyCodes.KEY_ENTER),
                                            Optional.of(false),
                                            Optional.of(false));
    handler.onKeyDown(e);
    verify(gridCell,
           never()).flush();
    verify(gridCell,
           never()).destroyResources();
    verifyCommonActions();
}