code: def test_amazon_clothing(self):
      random.seed(time.time())
      if random.random() > 0.8:
          # ignore image because of big size
          ratings = amazon_clothing.load_feedback()
          texts, item_ids = amazon_clothing.load_text()
          contexts = amazon_clothing.load_graph()
          self.assertEqual(len(ratings), 13689)
          self.assertEqual(len(texts), 3393)
          self.assertEqual(len(contexts), 9198)
  
imports: import unittest
  import random
  import time
  from cornac.datasets import amazon_clothing
label_desc: Use image node_id 1 for calling the TestAmazonClothing obj's underlying member method code with example usage: obj.test_amazon_clothing() without return types