make tests pass

src/test/certificates-test.js

@@ -15,6 +15,8 @@ var async = require('async'),
 function setup(done) {
     async.series([
         database.initialize,
+        settings.initialize,
+        certificates.initialize,
         database._clear
     ], done);
 }

src/test/dns-test.js

@@ -20,6 +20,7 @@ describe('dns provider', function () {
     before(function (done) {
         async.series([
             database.initialize,
+            settings.initialize,
             config._reset
         ], done);
     });