diff --git a/tests/ZB.MOM.WW.ScadaBridge.CentralUI.PlaywrightTests/Deployment/InstanceConfigureFixture.cs b/tests/ZB.MOM.WW.ScadaBridge.CentralUI.PlaywrightTests/Deployment/InstanceConfigureFixture.cs
index 760ec95c..7945b7d9 100644
--- a/tests/ZB.MOM.WW.ScadaBridge.CentralUI.PlaywrightTests/Deployment/InstanceConfigureFixture.cs
+++ b/tests/ZB.MOM.WW.ScadaBridge.CentralUI.PlaywrightTests/Deployment/InstanceConfigureFixture.cs
@@ -36,6 +36,9 @@ public sealed class InstanceConfigureFixture : IAsyncLifetime
     /// <summary>The single bindable/overridable attribute name on the fixture template.</summary>
     public string AttributeName => "Value";
 
+    /// <summary>The single non-locked alarm on the fixture template (for the override test).</summary>
+    public string AlarmName => "HiHi";
+
     /// <summary>The fixture data-connection name (for locating it in the bindings UI dropdown).</summary>
     public string ConnectionName { get; private set; } = string.Empty;
 
@@ -58,6 +61,8 @@ public sealed class InstanceConfigureFixture : IAsyncLifetime
             // Bindings panel shows "No data-sourced attributes" and binding tests cannot run.
             // See the class-level XML doc for the full analysis.
             await CliRunner.AddAttributeAsync(TemplateId, AttributeName, "Double", dataSourceReference: AttributeName);
+            await CliRunner.AddAlarmAsync(TemplateId, AlarmName, "HiLo", priority: 500,
+                attribute: AttributeName, hi: 80, hiHi: 95);
             ConnectionName = CliRunner.UniqueName("conn");
             ConnectionId = await CliRunner.CreateDataConnectionAsync(SiteAId, ConnectionName);
             AreaId = await CliRunner.CreateAreaAsync(SiteAId, CliRunner.UniqueName("cfgarea"));