chia7712 commented on code in PR #20425:
URL: https://github.com/apache/kafka/pull/20425#discussion_r2306444968


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storage/src/test/java/org/apache/kafka/server/log/remote/quota/RLMQuotaMetricsTest.java:
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@@ -58,7 +58,7 @@ public void testClose() {
 
         // Register the sensor
         quotaMetrics.sensor();
-        var avg = metrics.metricName("metric" + "-avg", "group", 
String.format("format", "average"));
+        var avg = metrics.metricName("metric" + "-avg", "group", "average");

Review Comment:
   I guess it was intended to test the description format. Perhaps we could add 
such a test. for example:
   ```java
           RLMQuotaMetrics quotaMetrics = new RLMQuotaMetrics(metrics, 
"metric", "group", "this is %s", 5);
   
           // Register the sensor
           quotaMetrics.sensor();
           var avg = metrics.metricName("metric" + "-avg", "group", "this is 
average");
   
           // Verify that metrics are created
           var result = metrics.metric(avg);
           assertNotNull(result);
           assertEquals(result.metricName().description(), avg.description());
   ```



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