code: def test_current_report(self):
      reporter = chainer.Reporter()
      with reporter:
          mean = self.evaluator()
      # The result is reported to the current reporter.
      self.assertEqual(reporter.observation, mean)
  
imports: import unittest
  import numpy
  import chainer
  from chainer import backend
  from chainer.backends import _cpu
  from chainer import dataset
  from chainer import iterators
  from chainer import testing
  from chainer.training import extensions
label_desc: Use image node_id 5 for calling the TestEvaluator obj's underlying member method code with example usage: obj.test_current_report() without return types