Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

external/aspnetwebstack/test/System.Web.Http.Test/Tracing/HttpRequestMessageExtensionsTest.cs

@@ -0,0 +1,26 @@
+// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
+
+using System.Net.Http;
+using Xunit;
+using Assert = Microsoft.TestCommon.AssertEx;
+
+namespace System.Web.Http.Tracing
+{
+    public class HttpRequestMessageExtensionsTest
+    {
+        [Fact]
+        public void GetCorrelationId_Returns_Valid_Guid()
+        {
+            // Arrange
+            HttpRequestMessage request = new HttpRequestMessage();
+
+            // Act
+            Guid guid1 = request.GetCorrelationId();
+            Guid guid2 = request.GetCorrelationId();
+
+            // Assert
+            Assert.Equal(guid1, guid2);
+            Assert.NotEqual(guid1, Guid.Empty);
+        }
+    }
+}