fixing test

Author: mies

test/test.js

@@ -6,7 +6,7 @@
   describe('GET', function(){
     it('respond with json', function(done){
       request(app)
-      .get('/cities.jso')
+      .get('/cities.json')
       .set('Accept', 'application/json')
       .expect('Content-Type', /json/)
       .expect(200, done);