ComponentColumnView implements UberElement<ComponentColumn>,
                   ComponentColumn.View,
                   IsElement { @Override public void clearContent() { removeAllChildren(content); removeCurrentWidget(); }  @Override void init(ComponentColumn presenter); @Override List<PropertyEditorCategory> getPropertyCategories(); @Override void setupWidget(); @Override void setupPageLayout(); @Override void setColumnHeight(Integer innerColumnHeight); void dockSelectEvent(@Observes UberfireDocksInteractionEvent event); void resizeEventObserver(@Observes ContainerResizeEvent event); @Override void calculateWidth(); @Override void setWidth(String size); @Override void clearContent(); @Override void setContent(); @Override void showConfigComponentModal(Command configurationFinish,
                                         Command configurationCanceled,
                                         Supplier<LayoutTemplate> currentLayoutTemplateSupplier); @Override boolean hasModalConfiguration(); @Override void setup(LayoutComponent layoutComponent,
                      LayoutTemplate.Style pageStyle); @Override void setSelected(boolean selected); @Override void notifyDragEnd(); @Override LayoutDragComponent getLayoutDragComponent(); static final String PAGE_ROW_CSS_CLASS; static final String COL_CSS_CLASS; }
@Test public void clearContentTest() { doNothing().when(componentColumnView).removeCurrentWidget(); componentColumnView.init(presenter); componentColumnView.clearContent(); verify(componentColumnView).removeCurrentWidget(); }