Update newrelic/api/opentelemetry.py

Co-authored-by: Hannah Stepanek <hstepanek@newrelic.com>

Author: lrafeei

newrelic/api/opentelemetry.py

@@ -218,7 +218,7 @@ def _set_attributes_in_nr(self, otel_attributes=None):
     def add_event(self, name, attributes=None, timestamp=None):
         # TODO: Not implemented yet.
         # We can implement this as a log event
-        pass
+        raise NotImplementedError("TODO: We can implement this as a log event.")
 
     def add_link(self, context=None, attributes=None):
         # TODO: Not implemented yet.