address cr feedback.

Author: lukeina2z

instrumentation/opentelemetry-instrumentation-botocore/tests/test_botocore_lambda.py

@@ -292,3 +292,5 @@ def test_get_event_source_mapping(self):
         uuid = span.attributes.get(AWS_LAMBDA_RESOURCE_MAPPING_ID)
         self.assertIsNotNone(uuid)
         self.assertEqual(expected_uuid, uuid)
+        self.assertIsNone(span.attributes.get(AWS_LAMBDA_FUNCTION_ARN))
+        self.assertIsNone(span.attributes.get(AWS_LAMBDA_FUNCTION_NAME))