code: def testBatchDoesNotContainBatch(self):
      batch1 = np.array([[1, 2], [3, 4]])
      batch2 = np.array([[1, 2], [5, 6]])
      self.assertFalse(test_utils.contains(batch1, batch2))
  
file_path: agents/tf_agents/utils/test_utils_test.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import numpy
  from tf_agents.utils import test_utils
label_desc: Use image node_id 4 for calling the TestUtilsTest obj's underlying member method code with example usage: obj.testBatchDoesNotContainBatch() without return types