@Test
 public void testGetSupportedFeatures() throws Exception {
   instance.setSourceFormat(getAnySupportedSourceFormat(instance));
   Set<ProcessorFeature> expectedFeatures = new HashSet<>();
   expectedFeatures.add(ProcessorFeature.MIRRORING);
   expectedFeatures.add(ProcessorFeature.REGION_BY_PERCENT);
   expectedFeatures.add(ProcessorFeature.REGION_BY_PIXELS);
   expectedFeatures.add(ProcessorFeature.REGION_SQUARE);
   expectedFeatures.add(ProcessorFeature.ROTATION_ARBITRARY);
   expectedFeatures.add(ProcessorFeature.ROTATION_BY_90S);
   expectedFeatures.add(ProcessorFeature.SIZE_ABOVE_FULL);
   expectedFeatures.add(ProcessorFeature.SIZE_BY_DISTORTED_WIDTH_HEIGHT);
   expectedFeatures.add(ProcessorFeature.SIZE_BY_FORCED_WIDTH_HEIGHT);
   expectedFeatures.add(ProcessorFeature.SIZE_BY_HEIGHT);
   expectedFeatures.add(ProcessorFeature.SIZE_BY_PERCENT);
   expectedFeatures.add(ProcessorFeature.SIZE_BY_WIDTH);
   expectedFeatures.add(ProcessorFeature.SIZE_BY_WIDTH_HEIGHT);
   assertEquals(expectedFeatures, instance.getSupportedFeatures());
 }