/**
  * Reset filter
  *
  * @throws Exception
  */
 @Test
 public void resetFilter() throws Exception {
   add("f.txt", "content");
   TypeCountFilter filter = TypeCountFilter.file();
   new CommitFinder(testRepo).setFilter(new CommitTreeFilter(filter)).find();
   assertEquals(1, filter.getCount());
   filter.reset();
   assertEquals(0, filter.getCount());
 }