def test_listdir_returns_a_sorted_list_of_child_dirs():
"""listdir function should return a sorted list of child directories"""
mkdir('dir1', 'dir2')
eq_(['dir1', 'dir2'], listdir(TEST_DIR))
def test_listdir_returns_dirs_only():
"""listdir function should returns child directories only"""
mkdir('dir')
touch('file')
eq_(['dir'], listdir(TEST_DIR))
