public void setUp() throws Exception {
    // TODO Auto-generated method stub
    super.setUp();
    table =
        (UIScrollableDataTable) application.createComponent(UIScrollableDataTable.COMPONENT_TYPE);
    facesContext.getViewRoot().getChildren().add(table);
    table.setId("zzz");

    for (int i = 0; i < 10; i++) {
      UIComponent column = MockColumns.newColumn("zzz" + i);
      UIOutput output = new UIOutput();
      output.setId("h" + i);
      column.getFacets().put("header", output);
      table.getChildren().add(column);
    }
  }