@Test
 public void testProductFileFilter() {
   final SnapFileFilter snapFileFilter = plugIn.getProductFileFilter();
   assertNotNull(snapFileFilter);
   assertArrayEquals(plugIn.getDefaultFileExtensions(), snapFileFilter.getExtensions());
   assertEquals(plugIn.getFormatNames()[0], snapFileFilter.getFormatName());
   assertEquals(
       true, snapFileFilter.getDescription().contains(plugIn.getDescription(Locale.getDefault())));
 }