diff --git a/tests/unit_tests/test_knutils.py b/tests/unit_tests/test_knutils.py
index a75429f..f082428 100644
--- a/tests/unit_tests/test_knutils.py
+++ b/tests/unit_tests/test_knutils.py
@@ -1,14 +1,18 @@
+import pytest
+from kn_utils.logging import logger
+
+
 def test_necessary_log_levels_are_supported_by_kn_utils():
-    from kn_utils.logging import logger
-
     logger.setLevel("TRACE")
-
+    
     logger.trace("trace")
     logger.debug("debug")
     logger.info("info")
     logger.warning("warning")
     logger.critical("critical")
+    logger.exception("exception", exc_info="this is an exception")
+    logger.error("error", exc_info="this is an error")
 
-    err = Exception("exception")
-    logger.exception(err)
-    logger.error(err)
+def test_setlevel_warn():
+    logger.setLevel("WARN")
+    logger.warning("warn")