code: def testNewElementHasHighPriority(self):
      memory = self.create_default_memory()
      index = self.add_blank(memory)
      self.assertEqual(
          memory.get_priority(np.array([index], dtype=np.int32))[0], 1.0
      )
  
file_path: ReAgent/reagent/test/replay_memory/prioritized_replay_buffer_test.py
imports: import unittest
  import numpy
  from reagent.replay_memory import prioritized_replay_buffer
label_desc: Use image node_id 7 for calling the PrioritizedReplayBufferTest obj's underlying member method code with example usage: obj.testNewElementHasHighPriority() without return types