upgrade supertest to ^1.0.1

package.json

@@ -48,7 +48,7 @@
     "make-lint": "^1.0.1",
     "mocha": "^2.0.1",
     "should": "^3.1.0",
-    "supertest": "~0.15.0",
+    "supertest": "^1.0.1",
     "test-console": "^0.7.1"
   },
   "engines": {

test/application.js

@@ -105,6 +105,7 @@ describe('app.use(fn)', function(){
 
     request(server)
     .get('/')
+    .expect(404)
     .end(function(err){
       if (err) return done(err);
       calls.should.eql([1,2,3,4,5,6]);