diff --git a/tests/Server/ZB.MOM.WW.OtOpcUa.OpcUaServer.IntegrationTests/Sdk2LifecycleCloseOwnershipTests.cs b/tests/Server/ZB.MOM.WW.OtOpcUa.OpcUaServer.IntegrationTests/Sdk2LifecycleCloseOwnershipTests.cs
index 93be34e4..4f974d6d 100644
--- a/tests/Server/ZB.MOM.WW.OtOpcUa.OpcUaServer.IntegrationTests/Sdk2LifecycleCloseOwnershipTests.cs
+++ b/tests/Server/ZB.MOM.WW.OtOpcUa.OpcUaServer.IntegrationTests/Sdk2LifecycleCloseOwnershipTests.cs
@@ -210,8 +210,7 @@ public sealed partial class Sdk2LifecycleSoakTests
         var failure = await Should.ThrowAsync<ServiceResultException>(async () =>
             await fresh.ReadAsync(requestHeader, 0, TimestampsToReturn.Neither,
                 [new ReadValueId { NodeId = Raw(fresh, Scalar), AttributeId = Attributes.Value }], ct));
-        // Exact outcome is recorded and narrowed at the reviewed execution gate.
-        (failure.StatusCode == StatusCodes.BadSessionIdInvalid || failure.StatusCode == StatusCodes.BadSessionClosed).ShouldBeTrue();
+        failure.StatusCode.ShouldBe(StatusCodes.BadSessionIdInvalid);
         requestHeader.AuthenticationToken.ShouldBe(oldAuthentication);
         (await fresh.BrowseNextAsync(null, false, [browse], ct)).Results[0].StatusCode.ShouldBe(StatusCodes.BadContinuationPointInvalid);
         var source = rig.Nm.HistorianDataSource.ShouldBeOfType<EventHistoryPagingOverTheWireTests.SqlLikeEventSource>();