diff --git a/src/System.ServiceModel.Security/tests/ServiceModel/SecureConversationSecurityTokenParametersTest.cs b/src/System.ServiceModel.Security/tests/ServiceModel/SecureConversationSecurityTokenParametersTest.cs
new file mode 100644
index 00000000000..bd65b783913
--- /dev/null
+++ b/src/System.ServiceModel.Security/tests/ServiceModel/SecureConversationSecurityTokenParametersTest.cs
@@ -0,0 +1,28 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+
+using System.ServiceModel.Security.Tokens;
+using Infrastructure.Common;
+using Xunit;
+
+public static class SecureConversationSecurityTokenParametersTest
+{
+    [WcfTheory]
+    [InlineData(false)]
+    [InlineData(true)]
+    public static void RequireCancellation_Property_Is_Settable(bool value)
+    {
+        SecureConversationSecurityTokenParameters scstp = new SecureConversationSecurityTokenParameters();
+        scstp.RequireCancellation = value;
+        Assert.Equal(value, scstp.RequireCancellation);
+    }
+
+    [WcfFact]
+    public static void RequireCancellation_DefaultValueIsSameAsNetFramework()
+    {
+        SecureConversationSecurityTokenParameters scstp = new SecureConversationSecurityTokenParameters();
+        Assert.True(scstp.RequireCancellation);
+    }
+}