code: def test_setting_trace_level():
      from cntk.logging import (
          TraceLevel,
          set_trace_level,
          get_trace_level,
      )
  
      value = get_trace_level()
      assert value == TraceLevel.Warning
  
      for level in [
          TraceLevel.Info,
          TraceLevel.Error,
          TraceLevel.Warning,
      ]:
          set_trace_level(level)
          value = get_trace_level()
          assert value == level
          set_trace_level(level.value)
          value = get_trace_level()
          assert value == level
  
imports: import numpy
  import pytest
  import cntk
  from multiprocessing import Process, Queue
label_desc: Use image node_id 13 for calling a global function with example usage: test_setting_trace_level() without return types