" panel.setWidget(0, 2, new Button('B'));",
" }",
"}");
frame.refresh();
assertNoErrors(frame);
HTMLTableInfo panel = (HTMLTableInfo) frame.getChildrenWidgets().get(0);
//
assertThat(panel.getColumns()).hasSize(3);
assertFalse(panel.getColumns().get(0).isEmpty());
assertTrue(panel.getColumns().get(1).isEmpty());
assertFalse(panel.getColumns().get(2).isEmpty());
}