Upgrade angular to 21

README.md

@@ -3,7 +3,7 @@
 
 This repository contains the code of the [Angular Testing Course](https://angular-university.io/course/angular-testing-course).
 
-This course repository is updated to Angular v20, and there is a  package-lock.json file available, for avoiding semantic versioning installation issues.
+This course repository is updated to Angular v21, and there is a  package-lock.json file available, for avoiding semantic versioning installation issues.
 
 ![Angular Testing Course](https://s3-us-west-1.amazonaws.com/angular-university/course-images/angular-testing-small.png)
 

angular.json

@@ -74,23 +74,12 @@
         },
 
         "test": {
-          "builder": "@angular-devkit/build-angular:karma",
+          "builder": "@angular/build:unit-test",
           "options": {
-            "polyfills": [
-              "zone.js",
-              "zone.js/testing"
-            ],
+            "runner": "vitest",
             "tsConfig": "tsconfig.spec.json",
-            "inlineStyleLanguage": "scss",
-            "assets": [
-              "src/favicon.ico",
-              "src/assets"
-            ],
-            "styles": [
-              "@angular/material/prebuilt-themes/indigo-pink.css",
-              "src/styles.scss"
-            ],
-            "scripts": []
+            "buildTarget": "angular-testing-course:build",
+            "browsers": ["chromium"]
           }
         }
       }