use test config in travis

Author: appinteractive

config/test.json

@@ -5,5 +5,10 @@
     "runOnInit": false,
     "dropDatabase": false
   },
+  "smtpConfig": {
+    "host": "0.0.0.0",
+    "port": 1025,
+    "ignoreTLS": true
+  },
   "mongodb": "mongodb://localhost:27017/hc_api_test"
 }