BETTERZON-29: Adding test component

Frontend/src/app/app.module.ts

@@ -2,10 +2,12 @@ import { BrowserModule } from '@angular/platform-browser';
 import { NgModule } from '@angular/core';
 
 import { AppComponent } from './app.component';
+import { HelloWorldComponent } from './hello-world/hello-world.component';
 
 @NgModule({
   declarations: [
-    AppComponent
+    AppComponent,
+    HelloWorldComponent
   ],
   imports: [
     BrowserModule

Frontend/src/app/hello-world/hello-world.component.html

@@ -0,0 +1 @@
+<p>hello-world works!</p>

Frontend/src/app/hello-world/hello-world.component.spec.ts

@@ -0,0 +1,25 @@
+import { ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { HelloWorldComponent } from './hello-world.component';
+
+describe('HelloWorldComponent', () => {
+  let component: HelloWorldComponent;
+  let fixture: ComponentFixture<HelloWorldComponent>;
+
+  beforeEach(async () => {
+    await TestBed.configureTestingModule({
+      declarations: [ HelloWorldComponent ]
+    })
+    .compileComponents();
+  });
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(HelloWorldComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});

Frontend/src/app/hello-world/hello-world.component.ts

@@ -0,0 +1,15 @@
+import { Component, OnInit } from '@angular/core';
+
+@Component({
+  selector: 'app-hello-world',
+  templateUrl: './hello-world.component.html',
+  styleUrls: ['./hello-world.component.css']
+})
+export class HelloWorldComponent implements OnInit {
+
+  constructor() { }
+
+  ngOnInit(): void {
+  }
+
+}