def METHOD_NAME(self):
    """Tests the Bio.PDB.PDBList.get_all_obsolete method."""
    # obsolete_pdb declared to prevent from creating the "obsolete" directory
    pdblist = PDBList(obsolete_pdb="unimportant")
    entries = pdblist.get_all_obsolete()
    # As number of obsolete entries constantly grow, test checks if a certain number
    # was exceeded
    self.assertGreater(len(entries), 3000)