diff --git a/src/ZB.MOM.WW.MxGateway.Tests/Gateway/Workers/WorkerProcessLauncherTests.cs b/src/ZB.MOM.WW.MxGateway.Tests/Gateway/Workers/WorkerProcessLauncherTests.cs
index adeacf1..4c1c4b2 100644
--- a/src/ZB.MOM.WW.MxGateway.Tests/Gateway/Workers/WorkerProcessLauncherTests.cs
+++ b/src/ZB.MOM.WW.MxGateway.Tests/Gateway/Workers/WorkerProcessLauncherTests.cs
@@ -69,6 +69,7 @@ public sealed class WorkerProcessLauncherTests
 
         Assert.Equal(WorkerProcessLaunchErrorCode.StartupFailed, exception.ErrorCode);
         Assert.True(process.KillCalled);
+        Assert.True(process.KillEntireProcessTree);
         Assert.True(process.DisposeCalled);
         Assert.True(pipeReservation.DisposeCalled);
         Assert.Equal(1, metrics.GetSnapshot().WorkerKills);
@@ -122,6 +123,7 @@ public sealed class WorkerProcessLauncherTests
 
         Assert.Equal(WorkerProcessLaunchErrorCode.StartupTimeout, exception.ErrorCode);
         Assert.True(process.KillCalled);
+        Assert.True(process.KillEntireProcessTree);
         Assert.True(process.DisposeCalled);
         Assert.Equal(1, metrics.GetSnapshot().WorkerKills);
     }