def runTest(self): ''' Run the tests. :param None :return: None ''' symbols_manager = SymbolsManager() symbols = symbols_manager.get_symbols() self.assertTrue(len(symbols) > 0) self.assertIsNone(symbols_manager.save_symbols_to_csv()) self.assertEqual(symbols_manager.remove_symbol("AA")[0], True) self.assertFalse("AA" in symbols_manager.get_symbols()) self.assertEqual(symbols_manager.add_symbol("AA")[0], True) self.assertTrue("AA" in symbols_manager.get_symbols())