fix unit tests when run under travis-ci - when we want address_info to not...

fix unit tests when run under travis-ci - when we want address_info to not detect primary support, we should use a domain name that will never offer primary support - issue #1197

tests/stalled-mysql-test.js

@@ -88,7 +88,7 @@ suite.addBatch({
   },
   "address_info": {
     topic: wsapi.get('/wsapi/address_info', {
-      email: 'test@hilaiel.com'
+      email: 'test@non-existant.domain'
     }),
     "fails with 503": function(err, r) {
       assert.strictEqual(r.code, 503);