message: API: Add valid GET test for DownloadController
diff: @@ -42,6 +42,17 @@ describe('DownloadFile', () => {
  }
  describe(`GET ${BASE_URL}`, () => {
  + it('should succeed for some valid input with prior POST', async () => {
  + const { postRes, courseAdmin } = await postValidRequest();
  + postRes.body.should.not.be.empty;
  +
  + const res = await chai.request(app)
  + .get(BASE_URL + '/' + postRes.body)
  + .set('Authorization', `JWT ${JwtUtils.generateToken(courseAdmin)}`)
  + .catch(err => err.response);
  + res.status.should.be.equal(200);
  + });
  +
  it('should fail, no auth', async () => {
  const res = await chai.request(app)
  