def test_ancestors(self):
        exp = ['i1', 'root']
        obs = self.simple_t.children[0].children[0].ancestors()
        self.assertEqual([o.name for o in obs], exp)

        exp = ['root']
        obs = self.simple_t.children[0].ancestors()
        self.assertEqual([o.name for o in obs], exp)

        exp = []
        obs = self.simple_t.ancestors()
        self.assertEqual([o.name for o in obs], exp)
Returns the folder on `self.storage` where filtered sized images
dataset/ETHPy150Open biocore/scikit-bio/skbio/tree/tests/test_tree.py/TreeTests.test_ancestors--crossover with--dataset/ETHPy150Open WGBH/django-versatileimagefield/versatileimagefield/mixins.py/VersatileImageMixIn.get_filtered_sized_root_folder