code: def test_generate_random_phone_number(self):
      original_phone_number = "+1 (123) 456-7890"
      new_phone_number = Anonymizer._generate_random_phone_number(
          original_phone_number
      )
      assert Anonymizer._is_valid_phone_number(new_phone_number) is True
  
file_path: pandas-ai/tests/helpers/test_anonymizer.py
imports: import pandas
  from pandasai.helpers.anonymizer import Anonymizer
label_desc: Use image node_id 5 for calling the TestAnonymizeDataFrameHead obj's underlying member method code with example usage: obj.test_generate_random_phone_number() without return types