rebase

Author: andrewseguin

src/lib/sort/sort.spec.ts

@@ -203,6 +203,7 @@ class FakeDataSource extends DataSource<any> {
   connect(collectionViewer: CollectionViewer): Observable<any[]> {
     return map.call(collectionViewer.viewChange, () => []);
   }
+  disconnect() {}
 }
 
 @Component({

src/lib/table/table.spec.ts

@@ -68,6 +68,8 @@ class FakeDataSource extends DataSource<TestData> {
     return this._dataChange;
   }
 
+  disconnect() {}
+
   addData() {
     const nextIndex = this.data.length + 1;