heroku_runner in rest-assured-1.2.0

- old
+ new

@@ -14,9 +14,10 @@
       port: ENV['PORT'],
    adapter: 'postgresql',
     dbhost: db.host,
       user: db.user,
     dbpass: db.password,
+    dbport: db.port,
   database: db.path[1..-1],
   encoding: 'utf8'
 }
 
 RestAssured::Config.build(opts)