Fix failing MessagingSpanNameExtractorTest

Author: cbos

instrumentation-api-incubator/src/test/java/io/opentelemetry/instrumentation/api/incubator/semconv/messaging/MessagingAttributesExtractorTest.java

@@ -233,7 +233,7 @@ public Long getBatchMessageCount(Map<String, String> request, @Nullable String r
 
     @Nullable
     @Override
-    public String getOperationName(Map<String, String> request) {
+    public String getOperationName(Map<String, String> request, MessageOperation operation) {
       return request.get("operationName");
     }
   }