Fix race condition in FunctionUsageMetricsAreCapturedByTelemetryAsExpected

Author: ioshm

dotnet/src/Connectors/Connectors.AzureOpenAI.UnitTests/KernelCore/KernelTests.cs

@@ -1,6 +1,7 @@
 // Copyright (c) Microsoft. All rights reserved.
 
 using System;
+using System.Collections.Concurrent;
 using System.Collections.Generic;
 using System.Diagnostics.Metrics;
 using System.Net.Http;
@@ -63,7 +64,7 @@ public async Task FunctionUsageMetricsAreCapturedByTelemetryAsExpected()
         using MeterListener listener = new();
         var isPublished = false;
 
-        var measurements = new Dictionary<string, List<long>>
+        var measurements = new Dictionary<string, ConcurrentBag<long>>
         {
             ["semantic_kernel.function.invocation.token_usage.prompt"] = [],
             ["semantic_kernel.function.invocation.token_usage.completion"] = [],

dotnet/src/Connectors/Connectors.OpenAI.UnitTests/KernelCore/KernelTests.cs

@@ -1,6 +1,7 @@
 // Copyright (c) Microsoft. All rights reserved.
 
 using System;
+using System.Collections.Concurrent;
 using System.Collections.Generic;
 using System.Diagnostics.Metrics;
 using System.Net.Http;
@@ -64,7 +65,7 @@ public async Task FunctionUsageMetricsAreCapturedByTelemetryAsExpected()
         using MeterListener listener = new();
         var isPublished = false;
 
-        var measurements = new Dictionary<string, List<long>>
+        var measurements = new Dictionary<string, ConcurrentBag<long>>
         {
             ["semantic_kernel.function.invocation.token_usage.prompt"] = [],
             ["semantic_kernel.function.invocation.token_usage.completion"] = [],