blub.component.html

<p>
  blub works!
</p>

blub.component.spec.ts

import { async, ComponentFixture, TestBed } from '@angular/core/testing';
import { IonicModule } from '@ionic/angular';

import { BlubComponent } from './blub.component';

describe('BlubComponent', () => {
  let component: BlubComponent;
  let fixture: ComponentFixture<BlubComponent>;

  beforeEach(async(() => {
    TestBed.configureTestingModule({
      declarations: [ BlubComponent ],
      imports: [IonicModule.forRoot()]
    }).compileComponents();

    fixture = TestBed.createComponent(BlubComponent);
    component = fixture.componentInstance;
    fixture.detectChanges();
  }));

  it('should create', () => {
    expect(component).toBeTruthy();
  });
});

blub.component.ts

import { Component, OnInit } from '@angular/core';

@Component({
  selector: 'app-blub',
  templateUrl: './blub.component.html',
  styleUrls: ['./blub.component.scss'],
})
export class BlubComponent implements OnInit {

  constructor() { }

  ngOnInit() {}

}