public void firePropertyChangedForUnloadedPsi() {
    PsiTreeChangeEventImpl event = new PsiTreeChangeEventImpl(myManager);
    event.setPropertyName(PsiTreeChangeEvent.PROP_UNLOADED_PSI);

    myManager.beforePropertyChange(event);
    myManager.propertyChanged(event);
  }
public void firePropertyChangedForUnloadedPsi()