code: def test_basic(self):
      compatibility_date = self._compatibility_date()
      one_day_before = self._n_days_after(-1)
      self.assertTrue(compat.forward_compatible(*one_day_before))
      self.assertFalse(compat.forward_compatible(*compatibility_date))
  
file_path: tensorflow/tensorflow/python/compat/compat_test.py
imports: import datetime
  import os
  from tensorflow.python.compat import compat
  from tensorflow.python.platform import test
label_desc: Use image node_id 3 for calling the CompatTest obj's underlying member method code with example usage: obj.test_basic() without return types