Fix Jest TypeScript config file parsing error by adding ts-jest preset and proper transformers

src/app/core/route/route.service.spec.ts

@@ -1,40 +0,0 @@
-// import { TestBed, inject } from '@angular/core/testing';
-
-// import { AuthenticationService } from '../authentication/authentication.service';
-// import { MockAuthenticationService } from '../authentication/authentication.service.mock';
-// import { AuthenticationGuard } from '../authentication/authentication.guard';
-// import { ShellComponent } from './shell/shell.component';
-// import { Route } from './route.service';
-
-// describe('Route', () => {
-//   let route: Route;
-
-//   beforeEach(() => {
-//     TestBed.configureTestingModule({
-//       providers: [
-//         AuthenticationGuard,
-//         { provide: AuthenticationService, useClass: MockAuthenticationService },
-//         Route
-//       ]
-//     });
-//   });
-
-//   beforeEach(inject([Route], (_route: Route) => {
-//     route = _route;
-//   }));
-
-//   describe('withShell', () => {
-//     it('should create routes as children of shell', () => {
-//       // Prepare
-//       const testRoutes = [{ path: 'test' }];
-
-//       // Act
-//       const result = Route.withShell(testRoutes);
-
-//       // Assert
-//       expect(result.path).toBe('');
-//       expect(result.children).toBe(testRoutes);
-//       expect(result.component).toBe(ShellComponent);
-//     });
-//   });
-// });