def test_subsets(self):
        t = self.simple_t
        self.assertEqual(t.subsets(), frozenset(
            [frozenset('ab'), frozenset('cd')]))
SETTINGS_MAX_FRAME_SIZE only allows values between 2**14 and 2**24 - 1.
dataset/ETHPy150Open biocore/scikit-bio/skbio/tree/tests/test_tree.py/TreeTests.test_subsets--crossover with--dataset/ETHPy150Open python-hyper/hyper-h2/test/test_settings.py/TestSettings.test_cannot_set_invalid_values_for_max_frame_size