Updated vite config to allow sibling test files

apps/admin-x-activitypub/vite.config.mjs

@@ -5,6 +5,14 @@ import {resolve} from 'path';
 export default (function viteConfig() {
     return adminXViteConfig({
         packageName: pkg.name,
-        entry: resolve(__dirname, 'src/index.tsx')
+        entry: resolve(__dirname, 'src/index.tsx'),
+        overrides: {
+            test: {
+                include: [
+                    './test/unit/**/*',
+                    './src/**/*.test.ts'
+                ]
+            }
+        }
     });
 });