diff --git a/tests/Server/ZB.MOM.WW.OtOpcUa.Host.IntegrationTests/DriverProbeRegistrationTests.cs b/tests/Server/ZB.MOM.WW.OtOpcUa.Host.IntegrationTests/DriverProbeRegistrationTests.cs
index 2d2e7bf0..c2e74697 100644
--- a/tests/Server/ZB.MOM.WW.OtOpcUa.Host.IntegrationTests/DriverProbeRegistrationTests.cs
+++ b/tests/Server/ZB.MOM.WW.OtOpcUa.Host.IntegrationTests/DriverProbeRegistrationTests.cs
@@ -17,8 +17,10 @@ namespace ZB.MOM.WW.OtOpcUa.Host.IntegrationTests;
 public sealed class DriverProbeRegistrationTests
 {
     // The canonical "all drivers" set — one entry per AdminUI typed driver page's DriverTypeKey.
-    // Keep in sync with the DriverTypeKey constants in
-    // src/Server/.../Components/Pages/Clusters/Drivers/*DriverPage.razor.
+    // Keep in sync with the IDriverProbe registrations in
+    // src/Server/.../Host/Drivers/DriverFactoryBootstrap.AddOtOpcUaDriverProbes (the routed
+    // *DriverPage.razor flow was retired in v3 Batch 2 — the driver-type keys now live in the /raw
+    // modals, but the probe set is the authority for what the AdminUI can Test-connect).
     private static readonly string[] AdminUiDriverTypeKeys =
     [
         "Modbus",
@@ -29,6 +31,7 @@ public sealed class DriverProbeRegistrationTests
         "Focas",                 // page key; probe reports "FOCAS"  — must resolve case-insensitively
         "OpcUaClient",
         "GalaxyMxGateway",
+        "Calculation",           // v3 Batch 2 pseudo-driver; CalculationProbe registered in DriverFactoryBootstrap
     ];
 
     [Fact]