Function setup

src/compat/firestore/collection/collection.spec.ts:180–192

()

    it('should handle multiple subscriptions (hot)', done => {
      async function setup() {
        const ITEMS = 4;
        const { stocks } = await collectionHarness(afs, ITEMS);
        const changes$ = TestBed.runInInjectionContext(() => stocks.snapshotChanges());
        const sub = changes$.subscribe(() => undefined);
        sub.add(
          changes$.pipe(take(1)).subscribe(data => {
            expect(data.length).toEqual(ITEMS);
            sub.unsubscribe();
            done();
          })
        );
      }
      setup()
    });