&test('fasta-center1', '',
  'fasta-center', 'common/Klf1-200.fa',
  ['-len', 100, '-dna'],
  [
    {
      output => '-', 
      reference => 'common/Klf1-200-100.no_fasta.fa', 
      type => 'text'
    }
  ],
  'results/fasta-center1', 'scripts'
);

