fix tests

ovos_utils/events.py

@@ -4,8 +4,20 @@
 from typing import Callable, Optional, Union
 
 import ovos_utils.messagebus
-from ovos_utils.intents.intent_service_interface import to_alnum
-from ovos_utils.log import LOG, log_deprecation, deprecated
+from ovos_utils.log import LOG
+
+
+def to_alnum(skill_id: str) -> str:
+    """
+    Convert a skill id to only alphanumeric characters
+     Non-alphanumeric characters are converted to "_"
+
+    Args:
+        skill_id (str): identifier to be converted
+    Returns:
+        (str) String of letters
+    """
+    return ''.join(c if c.isalnum() else '_' for c in str(skill_id))
 
 
 def unmunge_message(message, skill_id: str):