code: def test_get_trial_id(self):
      self.assertEqual(nni.get_trial_id(), "test_trial_job_id")
  
imports: import nni
  import nni.trial
  from nni.runtime.trial_command_channel import get_default_trial_command_channel, set_default_trial_command_channel
  import numpy
  from unittest import TestCase, main
  from .helper.trial_command_channel import TestHelperTrialCommandChannel
label_desc: Use image node_id 6 for calling the TrialTestCase obj's underlying member method code with example usage: obj.test_get_trial_id() without return types