subscribe expect done

gistfile1.txt

  describe('getBooks()', () => {
    it('should return the whole list of books with an Observable', (done) =>
      inject([BookStaticAsyncDataService], (service: BookStaticAsyncDataService) => {
        service.getBooks().subscribe(b => {
          expect(b.length).toBe(3);
          done();
        });
      })());
  });