code: def test_text_generation(self):
      results = self.module.text_generation("给宠物猫起一些可爱的名字。名字：")
      self.assertIsInstance(results, str)
  
file_path: PaddleHub/modules/text/text_generation/ernie_zeus/test.py
imports: import unittest
  import paddlehub
label_desc: Use image node_id 3 for calling the TestHubModule obj's underlying member method code with example usage: obj.test_text_generation() without return types