GridLienzoScrollHandler { LienzoPanel getLienzoPanel() { return getPanel().getLienzoPanel(); } GridLienzoScrollHandler(final GridLienzoPanel panel); void init(); Integer scrollbarWidth(); Integer scrollbarHeight(); void refreshScrollPosition(); void setBounds(final Bounds bounds);  }
@Test public void testGetLienzoPanel() { final LienzoPanel expectedPanel = mock(LienzoPanel.class); doReturn(expectedPanel).when(gridLienzoPanel).getLienzoPanel(); final LienzoPanel actualPanel = gridLienzoScrollHandler.getLienzoPanel(); assertEquals(expectedPanel, actualPanel); }