Minor fix to unit test

Ravi Srinivasan

2019-07-03 1af3be056cb18d0c56877222b55a93aced4cc1e2

Minor fix to unit test

 books/tests/app_test.js

@@ -31,7 +31,7 @@

  it('GET to /authors should return 200', (done) => {
    chai.request(reqServer)
      .get('/author')
      .get('/authors')
      .end((err, res) => {
        expect(res).to.have.status(200);
        expect(res.text).to.include('James_Joyce');