Fix event type for FunctionMetrics Logs (#9257)

* Fix event type for FunctionMetrics Logs

* Change event type in ParseMetricEvents

Author: AmeyaRele

src/WebJobs.Script.WebHost/Diagnostics/KubernetesEventGenerator.cs

@@ -51,9 +51,9 @@ public override void LogFunctionTraceEvent(LogLevel level, string subscriptionId
 
         public override void LogFunctionMetricEvent(string subscriptionId, string appName, string functionName, string eventName, long average, long minimum, long maximum, long count, DateTime eventTimestamp, string data, string runtimeSiteName, string slotName)
         {
-            // Set event type to MS_FUNCTION_LOGS to send these events as part of infra logs.
+            // Set event type to MS_FUNCTION_METRICS to send these events as part of infra logs.
             JObject metricEvent = new JObject();
-            metricEvent.Add("EventType", ScriptConstants.LinuxLogEventStreamName);
+            metricEvent.Add("EventType", ScriptConstants.LinuxMetricEventStreamName);
             metricEvent.Add("SubscriptionId", subscriptionId);
             metricEvent.Add("AppName", appName);
             metricEvent.Add("FunctionName", functionName);

test/WebJobs.Script.Tests/Diagnostics/KubernetesEventGeneratorTests.cs

@@ -73,7 +73,7 @@ public void ParseMetricEvents(string subscriptionId, string appName, string func
 
             DateTime dt;
             Assert.Collection(jObject.Properties(),
-                p => Assert.Equal(ScriptConstants.LinuxLogEventStreamName, p.Value),
+                p => Assert.Equal(ScriptConstants.LinuxMetricEventStreamName, p.Value),
                 p => Assert.Equal(subscriptionId, p.Value),
                 p => Assert.Equal(appName, p.Value),
                 p => Assert.Equal(functionName, p.Value),