code: def test_filmtrust(self):
      random.seed(time.time())
      if random.random() > 0.8:
          ratings = filmtrust.load_feedback()
          trust = filmtrust.load_trust()
          self.assertEqual(len(ratings), 35497)
          self.assertEqual(len(trust), 1853)
  
imports: import unittest
  import random
  import time
  from cornac.datasets import filmtrust
label_desc: Use image node_id 1 for calling the TestFilmTrust obj's underlying member method code with example usage: obj.test_filmtrust() without return types