Add helper that prepares the shape table cache.

Lombiq.Tests.UI.Shortcuts/Controllers/ShapeTableController.cs

@@ -0,0 +1,29 @@
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.Extensions.DependencyInjection;
+using OrchardCore.Admin;
+using OrchardCore.DisplayManagement.Descriptors;
+using OrchardCore.DisplayManagement.Theming;
+using System.Threading.Tasks;
+
+namespace Lombiq.Tests.UI.Shortcuts.Controllers;
+
+public class ShapeTableController : Controller
+{
+    /// <summary>
+    /// Prepares the shape table for the current site and admin themes.
+    /// </summary>
+    public async Task<IActionResult> Prepare()
+    {
+        var provider = HttpContext.RequestServices;
+
+        var shapeTableManager = provider.GetRequiredService<IShapeTableManager>();
+        var siteTheme = await provider.GetRequiredService<IThemeManager>().GetThemeAsync();
+        var adminTheme = await provider.GetRequiredService<IAdminThemeService>().GetAdminThemeAsync();
+
+        await shapeTableManager.GetShapeTableAsync(themeId: null);
+        await shapeTableManager.GetShapeTableAsync(siteTheme.Id);
+        await shapeTableManager.GetShapeTableAsync(adminTheme.Id);
+
+        return Ok();
+    }
+}

Lombiq.Tests.UI/SecurityScanning/SecurityScanningUITestContextExtensions.cs

@@ -155,6 +155,8 @@ public static async Task RunAndAssertSecurityScanAsync(
     {
         var configuration = context.Configuration.SecurityScanningConfiguration ?? new SecurityScanningConfiguration();
 
+        await context.GoToAsync<ShapeTableController>(controller => controller.Prepare());
+
         SecurityScanResult result = null;
         try
         {