Revert db name

Author: Loay Gewily

test/postgresql.discover.test.js

@@ -14,7 +14,7 @@ var db;
 
 before(function() {
   var config = getDBConfig();
-  config.database = 'postgres';
+  config.database = 'strongloop';
   db = new DataSource(require('../'), config);
 });