docstr: method: describe a rg with an invalid name(what are invalid names? types, length, chinese,symbols)
  verify: fail with error msg
docstr_tok: ["method",":","describe","a","rg","with","an","invalid","name","(","what","are","invalid","names","?","types",",","length",",","chinese",",","symbols",")","verify",":","fail","with","error","msg"]
code: def test_describe_rg_invalid_names(self):
      """
      method: describe a rg with an invalid name(what are invalid names? types, length, chinese,symbols)
      verify: fail with error msg
      """
      pass
  
imports: import pytest
  from base.client_base import TestcaseBase
  from common import common_func
  from common import common_type
  from common.common_type import CaseLabel, CheckTasks
  from utils.util_pymilvus import *
label_desc: Use image node_id 15 for calling the TestResourceGroupParams obj's underlying member method code with example usage: obj.test_describe_rg_invalid_names() without return types