lows to set the <span class="emphasis"><em>Unit
          Test Framework</em></span> <a class="link" href="../../test_output/logging_api/log_ct_log_level.html#ref_log_level_explanations">log
          level</a>. Log level defines the verbosity of the testing log produced
          by a testing module. The verbosity ranges from a complete log, when all
          assertions (both successful and failing) are reported and all notifications
          about test units start and finish are included, to an empty lo