diff --git a/tests/unit/Config/InstallerTest.php b/tests/unit/Config/InstallerTest.php
index 0307a63a98..e012973bb1 100644
--- a/tests/unit/Config/InstallerTest.php
+++ b/tests/unit/Config/InstallerTest.php
@@ -18,7 +18,8 @@ class InstallerTest extends MailPoetTest {
       $this->installer,
       array(
         'getPluginInformation' => Stub::once()
-      )
+      ),
+      $this
     );
     $installer->init();
     apply_filters('plugins_api', null, null, null);
@@ -51,7 +52,8 @@ class InstallerTest extends MailPoetTest {
           $obj->package = $obj->download_link;
           return $obj;
         }
-      )
+      ),
+      $this
     );
     $result = $installer->getPluginInformation(false, 'plugin_information', $args);
     expect($result->slug)->equals($this->slug);
diff --git a/tests/unit/Config/RendererTest.php b/tests/unit/Config/RendererTest.php
index 8d464016cb..7ea27a0535 100644
--- a/tests/unit/Config/RendererTest.php
+++ b/tests/unit/Config/RendererTest.php
@@ -50,7 +50,8 @@ class RendererTest extends MailPoetTest {
         'renderer' => Stub::makeEmpty('Twig_Environment',
           array(
             'render' => Stub::atLeastOnce(function() { return 'test render'; }),
-          )
+          ),
+          $this
         ),
       )
     );
@@ -69,7 +70,8 @@ class RendererTest extends MailPoetTest {
             'render' => Stub::atLeastOnce(function() use ($exception_message) {
               throw new \RuntimeException($exception_message);
             }),
-          )
+          ),
+          $this
         ),
       )
     );
diff --git a/tests/unit/Config/UpdaterTest.php b/tests/unit/Config/UpdaterTest.php
index d4098d6af9..278e7bf991 100644
--- a/tests/unit/Config/UpdaterTest.php
+++ b/tests/unit/Config/UpdaterTest.php
@@ -21,7 +21,8 @@ class UpdaterTest extends MailPoetTest {
       $this->updater,
       array(
         'checkForUpdate' => Stub::once()
-      )
+      ),
+      $this
     );
     $updater->init();
     apply_filters('pre_set_site_transient_update_plugins', null);
@@ -48,7 +49,8 @@ class UpdaterTest extends MailPoetTest {
             'package' => home_url() . '/wp-content/uploads/mailpoet-premium.zip'
           );
         }
-      )
+      ),
+      $this
     );
     $result = $updater->checkForUpdate($update_transient);
     expect($result->last_checked)->greaterOrEquals($update_transient->last_checked);
diff --git a/tests/unit/Cron/Workers/SendingQueue/SendingQueueTest.php b/tests/unit/Cron/Workers/SendingQueue/SendingQueueTest.php
index 1cec03b00f..b4d03e0741 100644
--- a/tests/unit/Cron/Workers/SendingQueue/SendingQueueTest.php
+++ b/tests/unit/Cron/Workers/SendingQueue/SendingQueueTest.php
@@ -220,7 +220,8 @@ class SendingQueueTest extends MailPoetTest {
             expect($extra_params['unsubscribe_url'])->equals($directUnsubscribeURL);
             return true;
           })
-        )
+        ),
+        $this
       )
     );
     $sending_queue_worker->process();
@@ -239,7 +240,8 @@ class SendingQueueTest extends MailPoetTest {
             expect($extra_params['unsubscribe_url'])->equals($trackedUnsubscribeURL);
             return true;
           })
-        )
+        ),
+        $this
       )
     );
     $sending_queue_worker->process();
@@ -257,7 +259,8 @@ class SendingQueueTest extends MailPoetTest {
             expect(!empty($newsletter['body']['text']))->true();
             return true;
           })
-        )
+        ),
+        $this
       )
     );
     $sending_queue_worker->process();
@@ -303,7 +306,8 @@ class SendingQueueTest extends MailPoetTest {
             return true;
           }),
           'getProcessingMethod' => Stub::exactly(1, function() { return 'bulk'; })
-        )
+        ),
+        $this
       )
     );
     $sending_queue_worker->process();
@@ -351,7 +355,8 @@ class SendingQueueTest extends MailPoetTest {
             expect(!empty($newsletter['body']['text']))->true();
             return true;
           })
-        )
+        ),
+        $this
       )
     );
     $sending_queue_worker->process();
@@ -400,7 +405,8 @@ class SendingQueueTest extends MailPoetTest {
     $sending_queue_worker = $this->sending_queue_worker;
     $sending_queue_worker->mailer_task = Stub::make(
       new MailerTask(),
-      array('send' => Stub::exactly(1, function($newsletter, $subscriber) { return true; }))
+      array('send' => Stub::exactly(1, function($newsletter, $subscriber) { return true; })),
+      $this
     );
     $sending_queue_worker->process();
 
@@ -438,7 +444,7 @@ class SendingQueueTest extends MailPoetTest {
     $sending_queue_worker = $this->sending_queue_worker;
     $sending_queue_worker->mailer_task = Stub::make(
       new MailerTask(),
-      array('send' => Stub::exactly(1, function($newsletter, $subscriber) { return true; }))
+      array('send' => function($newsletter, $subscriber) { return true; })
     );
     $sending_queue_worker->process();
 
diff --git a/tests/unit/Cron/Workers/SendingQueue/Tasks/MailerTest.php b/tests/unit/Cron/Workers/SendingQueue/Tasks/MailerTest.php
index 59cf56cc78..bd3806fca0 100644
--- a/tests/unit/Cron/Workers/SendingQueue/Tasks/MailerTest.php
+++ b/tests/unit/Cron/Workers/SendingQueue/Tasks/MailerTest.php
@@ -107,7 +107,8 @@ class MailerTaskTest extends MailPoetTest {
       (object)array(
         'mailer_instance' => Stub::make(
           $php_mail_class,
-          array('send' => Stub::exactly(1, function($newsletter, $subscriber) { return true; }))
+          array('send' => Stub::exactly(1, function($newsletter, $subscriber) { return true; })),
+          $this
         )
       )
     );