@Test
  public void Different_bitmaps_compare_different() {
    SwingBitmapLoader bitmapLoader = new SwingBitmapLoader();

    SwingBitmap x1 = bitmapLoader.load("x", 32);
    SwingBitmap x2 = bitmapLoader.load("sixx", 32);

    assertThat(x1, not(equalTo(x2)));
  }
  @Test
  public void Identical_bitmaps_compare_equal() {
    SwingBitmapLoader bitmapLoader = new SwingBitmapLoader();

    SwingBitmap x1 = bitmapLoader.load("x", 32);
    SwingBitmap x2 = bitmapLoader.load("x", 32);

    assertThat(x1, equalTo(x2));
  }