code: def test_lac(self):
      lac = hub.Module(name="lac")
      test_text = ["今天是个好日子", "天气预报说今天要下雨", "下一班地铁马上就要到了"]
      inputs = {"text": test_text}
      results = lac.lexical_analysis(data=inputs)
      self.assertEqual(results[0]["word"], ["今天", "是", "个", "好日子"])
      self.assertEqual(results[0]["tag"], ["TIME", "v", "q", "n"])
      self.assertEqual(
          results[1]["word"], ["天气预报", "说", "今天", "要", "下雨"]
      )
      self.assertEqual(results[1]["tag"], ["n", "v", "TIME", "v", "v"])
      self.assertEqual(
          results[2]["word"], ["下", "一班", "地铁", "马上", "就要", "到", "了"]
      )
      self.assertEqual(
          results[2]["tag"], ["f", "m", "n", "d", "v", "v", "xc"]
      )
  
file_path: PaddleHub/tests/test_module.py
imports: import os
  import unittest
  import paddlehub
label_desc: Use image node_id 1 for calling the TestHubModule obj's underlying member method code with example usage: obj.test_lac() without return types