code: def test_unset_logging_mode():
      ivy.set_logging_mode("DEBUG")
      ivy.set_logging_mode("INFO")
      ivy.unset_logging_mode()
      assert logging.getLogger().level == logging.DEBUG
  
imports: import pytest
  import logging
  import ivy
label_desc: Use image node_id 3 for calling a global function with example usage: test_unset_logging_mode() without return types