add an alternate http address for the tests to execute on (sclorg#60)

Author: PI-Victor

tests/app_test.js

@@ -1,14 +1,16 @@
 var server   = require('../server'),
     chai     = require('chai'),
-    chaiHttp = require('chai-http'),
+    chaiHTTP = require('chai-http'),
     should   = chai.should();
 
-chai.use(chaiHttp);
+chai.use(chaiHTTP);
+
+reqServer = process.env.HTTP_TEST_SERVER || server
 
 describe('Basic routes tests', function() {
 
     it('GET to / should return 200', function(done){
-        chai.request(server)
+        chai.request(reqServer)
         .get('/')
         .end(function(err, res) {
             res.should.have.status(200);
@@ -18,7 +20,7 @@ describe('Basic routes tests', function() {
     })
 
     it('GET to /pagecount should return 200', function(done){
-        chai.request(server)
+        chai.request(reqServer)
         .get('/pagecount')
         .end(function(err, res) {
             res.should.have.status(200);