@RunWith(PowerMockRunner.class)
@PrepareForTest( {ByteBitmapConverters.class, BitmapFactory.class })
public class ByteBitmapConvertersTest {

    @Before
    public void setup() {
        //MockitoAnnotations.initMocks(this);
        PowerMockito.mockStatic(BitmapFactory.class);
    }

    public Bitmap LoadBitmapFromTestResources(){
        ClassLoader classLoader = getClass().getClassLoader();
        URL resource = classLoader.getResource("for_tests.png");
        File file = new File(resource.getPath());
        boolean exists = file.exists(); //equals "true", so file exists
        BitmapFactory.Options options = new BitmapFactory.Options();
        options.inPreferredConfig = Bitmap.Config.ARGB_8888;
        return BitmapFactory.decodeFile(resource.getPath(), options);
    }
}