test(ab): run the ab_server integration suites on both transports

tests/Drivers/ZB.MOM.WW.OtOpcUa.Driver.AbCip.IntegrationTests/Emulate/AbCipEmulateNestedUdtTests.cs

@@ -43,8 +43,10 @@ public sealed class AbCipEmulateNestedUdtTests
     ///     leaves addressable as dot-joined paths, proving the nested template-id threading
     ///     runs the production <c>@udt/{id}</c> CIP fetch against Emulate's firmware.
     /// </summary>
-    [AbServerFact]
-    public async Task Nested_struct_member_discovered_and_expanded_via_template_id_fetch()
+    /// <param name="transport">The transport stack the driver runs on.</param>
+    [AbServerTheory]
+    [MemberData(nameof(TransportMatrix.Transports), MemberType = typeof(TransportMatrix))]
+    public async Task Nested_struct_member_discovered_and_expanded_via_template_id_fetch(AbCipTransport transport)
     {
         AbServerProfileGate.SkipUnless(AbServerProfileGate.Emulate);
 
@@ -58,9 +60,10 @@ public sealed class AbCipEmulateNestedUdtTests
             Devices = [new AbCipDeviceOptions($"ab://{endpoint}/1,0")],
             EnableControllerBrowse = true,
             Timeout = TimeSpan.FromSeconds(10),
+            Transport = transport,
         };
 
-        await using var drv = new AbCipDriver(options, driverInstanceId: "emulate-nested-udt-smoke");
+        await using var drv = new AbCipDriver(options, driverInstanceId: $"emulate-nested-udt-smoke-{transport}");
         await drv.InitializeAsync("{}", TestContext.Current.CancellationToken);
 
         // Drive controller discovery — the driver walks @tags, encounters MotorNested1