function allRoutes(url) {
    it("should return status 200", (done) => {
      agent
        .get(url)
        .expect(200)
        .end(done);
    });

    it("should not return an x-powered-by header", (done) => {
      agent
        .get(url)
        .expect(res => {
          assert.isUndefined(res.get('x-powered-by'));
        })
        .end(done);
    });
  }
These tests run on all routes.

  @param {String} url
    URL to request.