diff --git a/RoboFile.php b/RoboFile.php
index 68e5988f09..ec7c50bd7e 100644
--- a/RoboFile.php
+++ b/RoboFile.php
@@ -72,6 +72,12 @@ class RoboFile extends \Robo\Tasks {
     $this->_exec('vendor/bin/codecept run');
   }
 
+  function testDebug() {
+    $this->_exec('vendor/bin/codecept build');
+    $this->loadEnv();
+    $this->_exec('vendor/bin/codecept run unit --debug');
+  }
+
   protected function loadEnv() {
     $dotenv = new Dotenv\Dotenv(__DIR__);
     $dotenv->load();
diff --git a/lib/config/env.php b/lib/config/env.php
index 879d8ea030..6124b35f56 100644
--- a/lib/config/env.php
+++ b/lib/config/env.php
@@ -28,10 +28,10 @@ class Env {
   public static function dbSourceName() {
     $source_name = array(
       'mysql:host=',
-      Env::$db_host,
+      DB_HOST,
       ';',
       'dbname=',
-      Env::$db_name
+      DB_NAME
     );
     return implode('', $source_name);
   }
diff --git a/tests/unit/SubscriberCest.php b/tests/unit/SubscriberCest.php
index 256cf5dead..fe229449fc 100644
--- a/tests/unit/SubscriberCest.php
+++ b/tests/unit/SubscriberCest.php
@@ -1,19 +1,56 @@
 <?php
 use \UnitTester;
+use \MailPoet\Models\Subscriber;
 
 class SubscriberCest {
 
-    public function _before() {
-      $this->subscriber = \Model::factory('Subscriber')->create();
-      $this->subscriber->first_name = 'John';
-      $this->subscriber->last_name = 'Mailer';
-      $this->subscriber->email = 'john@mailpoet.com';
+    function _before() {
+      $this->data = array(
+        'first_name' => 'John',
+        'last_name' => 'Mailer',
+        'email' => 'john@mailpoet.com'
+      );
+
+      $this->subscriber = Subscriber::create();
+
+      $this
+        ->subscriber
+        ->first_name = $this->data['first_name'];
+
+      $this
+        ->subscriber
+        ->last_name = $this->data['last_name'];
+
+      $this->subscriber->email = $this->data['email'];
+
       $this->subscriber->save();
+      $this->id = $this->subscriber->id;
     }
 
-    public function itCanBeCreated() {
+    function itCanBeCreated() {
+      $subscriber = Subscriber::where('first_name', $this->data['first_name'])->findOne();
+      expect($subscriber->id)->notNull();
     }
 
-    public function _after() {
+    function itHasAFirstName() {
+      $subscriber = Subscriber::findOne($this->id);
+      expect($subscriber->first_name)
+        ->equals($this->data['first_name']);
+    }
+
+    function itHasALastName() {
+      $subscriber = Subscriber::findOne($this->id);
+      expect($subscriber->last_name)
+        ->equals($this->data['last_name']);
+    }
+
+    function itHasAnEmail() {
+      $subscriber = Subscriber::findOne($this->id);
+      expect($subscriber->email)
+        ->equals($this->data['email']);
+    }
+
+    function _after() {
+      Subscriber::findOne($this->id)->delete();
     }
 }