### Question:
DecisionNavigatorDock implements DiagramEditorDock { public void resetContent() { decisionNavigatorPresenter.removeAllElements(); } DecisionNavigatorDock(); @Inject  DecisionNavigatorDock(final UberfireDocks uberfireDocks,
                                 final DecisionNavigatorPresenter decisionNavigatorPresenter,
                                 final TranslationService translationService); @Override void init(final String perspective); @Override void destroy(); void reload(); void resetContent(); @Override void open(); @Override void close();  }### Answer:
@Test public void testResetContent() { dock.resetContent(); verify(decisionNavigatorPresenter).removeAllElements(); }