class_docstr: Test for the UploadTracker class.
class_docstr_tok: ["Test","for","the","UploadTracker","class","."]
code: def testScalarsTrackerWithVerbosity0(self):
      tracker = upload_tracker.UploadTracker(verbosity=0)
      with tracker.scalars_tracker(123):
          self.assertEqual(self.mock_write.call_count, 0)
          self.assertEqual(self.mock_flush.call_count, 0)
      self.assertEqual(self.mock_write.call_count, 0)
      self.assertEqual(self.mock_flush.call_count, 0)
  
imports: import sys
  from unittest import mock
  from tensorboard import test
  from tensorboard.uploader import upload_tracker
label_desc: Use image node_id 6 for calling the UploadTrackerTest obj's underlying member method code with example usage: obj.testScalarsTrackerWithVerbosity0() without return types