Chore: Auth Guard converted to CanActivateFn

overlord/src/app/auth/auth-guard.service.spec.ts

@@ -1,15 +1,17 @@
-import { inject, TestBed } from '@angular/core/testing';
+import { TestBed } from '@angular/core/testing';
+import { CanActivateFn } from '@angular/router';
 
-import { AuthGuard } from './auth-guard.service';
+import { authGuard } from './auth-guard.service';
+
+describe('authGuard', () => {
+  const executeGuard: CanActivateFn = (...guardParameters) =>
+    TestBed.runInInjectionContext(() => authGuard(...guardParameters));
 
-describe('AuthGuard', () => {
   beforeEach(() => {
-    TestBed.configureTestingModule({
-      providers: [AuthGuard],
-    });
+    TestBed.configureTestingModule({});
   });
 
-  it('should be created', inject([AuthGuard], (service: AuthGuard) => {
-    expect(service).toBeTruthy();
-  }));
+  it('should be created', () => {
+    expect(executeGuard).toBeTruthy();
+  });
 });