Minha classe está:
public class ListaLeilaoAdapter extends RecyclerView.Adapter<ListaLeilaoAdapter.ViewHolder> { 
    private final List<Leilao> leiloes;                                                       
    private final Context context;                                                            
    private final MoedaUltil formatadorDeMoeda;                                               
    private OnItemClickListener onItemClickListener;                                          
    public ListaLeilaoAdapter(Context context) {                                              
        this.context = context;                                                               
        this.leiloes = new ArrayList<>();                                                     
        this.formatadorDeMoeda = new MoedaUltil();                                            
    }    
    // Implementação
}E aparece o seguinte erro:
org.mockito.exceptions.base.MockitoException: 
Mockito cannot mock this class: class br.com.alura.leilao.ui.recyclerview.adapter.ListaLeilaoAdapter.
Mockito can only mock non-private & non-final classes.
If you're not sure why you're getting this error, please report to the mailing list. 
             
             
            