File observe-content.spec.ts

src/cdk/observers/observe-content.spec.ts:None–None

import {Component, ElementRef, ViewChild, ChangeDetectionStrategy} from '@angular/core';
import {ComponentFixture, TestBed, fakeAsync, tick, waitForAsync} from '@angular/core/testing';
import {ContentObserver, MutationObserverFactory, ObserversModule} from './observe-content';