@Test(dependsOnMethods = {"testMetadataLevel"})
  public void testMetadataLevelEquivilentUsedFiles() throws FormatException, IOException {
    for (int i = 0; i < minimalWrapper.getSeriesCount(); i++) {
      minimalWrapper.setSeries(i);
      wrapper.setSeries(i);

      String[] pixelsOnlyFiles = minimalWrapper.getSeriesUsedFiles();
      String[] allFiles = wrapper.getSeriesUsedFiles();

      assertEquals(allFiles.length, pixelsOnlyFiles.length);

      Arrays.sort(allFiles);
      Arrays.sort(pixelsOnlyFiles);

      for (int j = 0; j < pixelsOnlyFiles.length; j++) {
        assertEquals(allFiles[j], pixelsOnlyFiles[j]);
      }
    }
  }