public void showPerspective( final String perspectiveId ) {
    changePerspectiveVisibility( perspectiveId, false );
  }
@Test
  public void showPerspective() {
    SpoonPerspectiveManager.PerspectiveManager perspectiveManager = perspectiveManagerMap.get( perspective );
    spoonPerspectiveManager.showPerspective( perspective.getId() );

    verify( perspectiveManager ).setPerspectiveHidden( PERSPECTIVE_NAME, false );
  }