Converting Tests back to C# but still with Playwright

Web/Portals/ToastPortal.razor

@@ -0,0 +1,60 @@
+@implements IDisposable;
+
+@inject IToastService toastService
+
+@if (toastService.HasToasts())
+{
+    <div class="toastsContainer">
+        @foreach (var toast in Toasts)
+        {
+            <ToastComponent Toast="toast"/>
+        }
+    </div>
+}
+
+<style>
+    .toastsContainer {
+        position: fixed;
+        top: 64px;
+        right: 64px;
+        display: flex;
+        flex-direction: column;
+        gap: 5px;
+    }
+</style>
+
+
+@code {
+    private List<ToastModel> Toasts => toastService.GetToasts();
+
+    private Timer ageTimer = null!;
+
+    protected override void OnInitialized()
+    {
+        base.OnInitialized();
+        toastService.Subscribe(OnUpdate);
+
+        ageTimer = new Timer(10);
+        ageTimer.Elapsed += OnAge!;
+        ageTimer.Enabled = true;
+    }
+
+    void IDisposable.Dispose()
+    {
+        toastService.Unsubscribe(OnUpdate);
+    }
+
+
+    void OnAge(object? sender, ElapsedEventArgs elapsedEventArgs)
+    {
+        toastService.AgeToasts();
+        ageTimer.Enabled = true;
+    }
+
+
+    void OnUpdate()
+    {
+        StateHasChanged();
+    }
+
+}