'Test the ability to retrieve a tree from a repository.'

def test_tree(self):

    cassette_name = self.cassette_name('tree')
    with self.recorder.use_cassette(cassette_name):
        repository = self.gh.repository('sigmavirus24', 'github3.py')
        tree = repository.tree('52a3f30e05cf434285e775979f01f1a8355049a7')
    assert isinstance(tree, github3.git.Tree)
