old_contents: """
  This test logging_helper module configures test case logging to print
  debug messages to stdout.
  """
  
  from qiutil.logging_helper import (configure, logger)
  
  configure(filename=None, level='DEBUG')
  
new_contents: """
  This test logging_helper module configures test case logging to print
  debug messages to stdout.
  """
  
  from qiutil.logging_helper import (configure, logger)
  
  configure(app='qiutil', level='DEBUG')
  
subject: configure requires an app argument.