HeartSaVioR commented on code in PR #50030:
URL: https://github.com/apache/spark/pull/50030#discussion_r1978582798


##########
sql/connect/client/jvm/src/test/scala/org/apache/spark/sql/connect/streaming/ClientStreamingQuerySuite.scala:
##########
@@ -56,8 +56,8 @@ class ClientStreamingQuerySuite extends QueryTest with 
RemoteSparkSession with L
   test("Streaming API with windowed aggregate query") {
     // This verifies standard streaming API by starting a streaming query with 
windowed count.
     withSQLConf(
-      "spark.sql.shuffle.partitions" -> "1" // Avoid too many reducers.
-    ) {
+      "spark.sql.shuffle.partitions" -> "1", // Avoid too many reducers.
+      "spark.sql.streaming.stateStore.numStateStoreInstanceMetricsToReport" -> 
"0") {

Review Comment:
   This is needed because of the below assertion:
   
   ```
   lastProgress.stateOperators.head.customMetrics.keySet().asScala == Set(
               "loadedMapCacheHitCount",
               "loadedMapCacheMissCount",
               "stateOnCurrentVersionSizeBytes"))
   ```
   
   Do I understand correctly? 
   
   Technically you can even verify the metric here, but I'd be OK not to change 
existing tests to verify more thing while we are expected to add the test to 
cover this.



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