Method constructor

src/cdk/table/table.spec.ts:2141–2146

()

  _dataChange = new BehaviorSubject<TestData[]>([]);

  constructor() {
    super();
    for (let i = 0; i < 3; i++) {
      this.addData();
    }
  }

  connect(collectionViewer: CollectionViewer) {
    this.isConnected = true;