def test_calc_shared_phylotypes_pairwise(self):
        """_calc_shared_phylotypes_pairwise works as expected"""

        self.assertEqual(_calc_shared_phylotypes_pairwise(self.otu_table, 0, 0), 5)
        self.assertEqual(_calc_shared_phylotypes_pairwise(self.otu_table, 0, 1), 2)
        self.assertEqual(_calc_shared_phylotypes_pairwise(self.otu_table, 0, 2), 3)
        self.assertEqual(_calc_shared_phylotypes_pairwise(self.otu_table, 2, 2), 3)
    def test_calc_shared_phylotypes_pairwise(self):
        """_calc_shared_phylotypes_pairwise works as expected"""

        #self.assertEqual(_calc_shared_phylotypes_pairwise(self.otu_table, 0, 0), 5)
        #self.assertEqual(_calc_shared_phylotypes_pairwise(self.otu_table, 0, 1), 2)
        #self.assertEqual(_calc_shared_phylotypes_pairwise(self.otu_table, 0, 2), 3)
        #self.assertEqual(_calc_shared_phylotypes_pairwise(self.otu_table, 2, 2), 3)
        self.assertEqual(
            _calc_shared_phylotypes_pairwise(
                self.otu_table,
                'S1',
                'S1'),
            5)
        self.assertEqual(
            _calc_shared_phylotypes_pairwise(
                self.otu_table,
                'S1',
                'S2'),
            2)
        self.assertEqual(
            _calc_shared_phylotypes_pairwise(
                self.otu_table,
                'S1',
                'S3'),
            3)
        self.assertEqual(
            _calc_shared_phylotypes_pairwise(
                self.otu_table,
                'S3',
                'S3'),
            3)