implemented test suite

src/app/services/test-progress.service.ts

@@ -6,9 +6,9 @@ import { Router } from '@angular/router';
   providedIn: 'root'
 })
 export class TestProgressService {
-  private totalTests = 7;
+  private totalTests = 4;
   private currentTestSubject = new BehaviorSubject<number>(1);
-  private progressSubject = new BehaviorSubject<number>(14.3); // (1/7) * 100
+  private progressSubject = new BehaviorSubject<number>(25); // (1/totalTests) * 100
 
   currentTest$ = this.currentTestSubject.asObservable();
   progress$ = this.progressSubject.asObservable();
@@ -30,7 +30,6 @@ export class TestProgressService {
       this.currentTestSubject.next(nextTest);
       this.updateProgress(nextTest);
     } else {
-      // All tests completed, navigate to completion screen
       this.router.navigate(['/completion']);
     }
   }