• fakestdin() : test.check_rosparam
• fakestdout() : test.check_rosparam
• get_param_server() : test.check_rosparam , test.check_rosparam_command_line_online
• get_test_path() : test.check_rosparam , test.test_rosparam_command_line_offline
• tolist() : test.check_rosparam