@Test
public void testMismatchesAllMismatches() throws Exception {

    GappedSequence mismatch = DNATools.createGappedDNASequence("gggggggggggggggggggg", "mismatch");
    AlignmentPair allMismatches = new AlignmentPair(mismatch, subject, substitutionMatrix);
    List<Range<Long>> mismatches = mismatches(allMismatches);
    assertEquals(1, mismatches.size());
    assertEquals(Range.closedOpen(0L, 20L), mismatches.get(0));
}