diff --git a/src/OroCRM/Bundle/AnalyticsBundle/Tests/Functional/Model/RFMMetricStateManagerTest.php b/src/OroCRM/Bundle/AnalyticsBundle/Tests/Functional/Model/RFMMetricStateManagerTest.php
index 03923595c4e..d76c737c76d 100644
--- a/src/OroCRM/Bundle/AnalyticsBundle/Tests/Functional/Model/RFMMetricStateManagerTest.php
+++ b/src/OroCRM/Bundle/AnalyticsBundle/Tests/Functional/Model/RFMMetricStateManagerTest.php
@@ -39,6 +39,8 @@ public function tearDown()
         }
 
         $em->flush($entities);
+
+        parent::tearDown();
     }
 
     public function testResetChannelMetrics()
diff --git a/src/OroCRM/Bundle/CampaignBundle/Model/EmailCampaignStatisticsConnector.php b/src/OroCRM/Bundle/CampaignBundle/Model/EmailCampaignStatisticsConnector.php
index 89a467644bf..4ae3954480d 100644
--- a/src/OroCRM/Bundle/CampaignBundle/Model/EmailCampaignStatisticsConnector.php
+++ b/src/OroCRM/Bundle/CampaignBundle/Model/EmailCampaignStatisticsConnector.php
@@ -59,8 +59,12 @@ public function getStatisticsRecord(EmailCampaign $emailCampaign, $entity)
             ->getMarketingListItem($marketingList, $entityId);
 
         $manager = $this->doctrineHelper->getEntityManager($this->entityName);
-        $statisticsRecord = $manager->getRepository($this->entityName)
-            ->findOneBy(['emailCampaign' => $emailCampaign, 'marketingListItem' => $marketingListItem]);
+
+        $statisticsRecord = null;
+        if ($marketingListItem->getId() !== null) {
+            $statisticsRecord = $manager->getRepository($this->entityName)
+                ->findOneBy(['emailCampaign' => $emailCampaign, 'marketingListItem' => $marketingListItem]);
+        }
 
         if (!$statisticsRecord) {
             $statisticsRecord = new EmailCampaignStatistics();
diff --git a/src/OroCRM/Bundle/CampaignBundle/Tests/Unit/Model/EmailCampaignStatisticsConnectorTest.php b/src/OroCRM/Bundle/CampaignBundle/Tests/Unit/Model/EmailCampaignStatisticsConnectorTest.php
index 276d339892b..9c869059440 100644
--- a/src/OroCRM/Bundle/CampaignBundle/Tests/Unit/Model/EmailCampaignStatisticsConnectorTest.php
+++ b/src/OroCRM/Bundle/CampaignBundle/Tests/Unit/Model/EmailCampaignStatisticsConnectorTest.php
@@ -67,6 +67,9 @@ public function testGetStatisticsRecordExisting($existing)
         $marketingListItem = $this->getMockBuilder('OroCRM\Bundle\MarketingListBundle\Entity\MarketingListItem')
             ->disableOriginalConstructor()
             ->getMock();
+        $marketingListItem->expects($this->any())
+            ->method('getId')
+            ->willReturn(42);
 
         $this->marketingListItemConnector->expects($this->once())
             ->method('getMarketingListItem')
diff --git a/src/OroCRM/Bundle/ContactBundle/Tests/Functional/ImportExportTest.php b/src/OroCRM/Bundle/ContactBundle/Tests/Functional/ImportExportTest.php
index 2291628db4e..da49ae4d174 100644
--- a/src/OroCRM/Bundle/ContactBundle/Tests/Functional/ImportExportTest.php
+++ b/src/OroCRM/Bundle/ContactBundle/Tests/Functional/ImportExportTest.php
@@ -34,6 +34,8 @@ protected function tearDown()
         $batchJobManager->createQuery('DELETE AkeneoBatchBundle:JobInstance')->execute();
         $batchJobManager->createQuery('DELETE AkeneoBatchBundle:JobExecution')->execute();
         $batchJobManager->createQuery('DELETE AkeneoBatchBundle:StepExecution')->execute();
+
+        parent::tearDown();
     }
 
     /**
diff --git a/src/OroCRM/Bundle/MagentoBundle/Tests/Functional/Controller/NewsletterSubscriberControllerTest.php b/src/OroCRM/Bundle/MagentoBundle/Tests/Functional/Controller/NewsletterSubscriberControllerTest.php
index 42dc69bfd8c..22af0bb96bb 100644
--- a/src/OroCRM/Bundle/MagentoBundle/Tests/Functional/Controller/NewsletterSubscriberControllerTest.php
+++ b/src/OroCRM/Bundle/MagentoBundle/Tests/Functional/Controller/NewsletterSubscriberControllerTest.php
@@ -2,6 +2,8 @@
 
 namespace OroCRM\Bundle\MagentoBundle\Tests\Functional\Controller;
 
+use Doctrine\ORM\EntityManager;
+
 use Oro\Bundle\ImportExportBundle\Job\JobExecutor;
 use Oro\Bundle\ImportExportBundle\Job\JobResult;
 use OroCRM\Bundle\MagentoBundle\Entity\NewsletterSubscriber;
@@ -66,6 +68,11 @@ protected function tearDown()
 
         $this->getContainer()->set('oro_importexport.job_executor', $this->baseJobExecutor);
         unset($this->transport, $this->baseJobExecutor);
+
+        $entityManager = $this->getContainer()->get('akeneo_batch.job_repository')->getJobManager();
+        $entityManager->getConnection()->close();
+
+        parent::tearDown();
     }
 
     /**
diff --git a/src/OroCRM/Bundle/MagentoBundle/Tests/Functional/ImportExport/Writer/AbstractExportWriterTest.php b/src/OroCRM/Bundle/MagentoBundle/Tests/Functional/ImportExport/Writer/AbstractExportWriterTest.php
index 5ea2584f015..85cb6b01346 100644
--- a/src/OroCRM/Bundle/MagentoBundle/Tests/Functional/ImportExport/Writer/AbstractExportWriterTest.php
+++ b/src/OroCRM/Bundle/MagentoBundle/Tests/Functional/ImportExport/Writer/AbstractExportWriterTest.php
@@ -4,6 +4,7 @@
 
 use Akeneo\Bundle\BatchBundle\Entity\JobExecution;
 
+use Doctrine\ORM\EntityManager;
 use Oro\Bundle\TestFrameworkBundle\Test\WebTestCase;
 use OroCRM\Bundle\MagentoBundle\Provider\Transport\MagentoTransportInterface;
 
@@ -30,6 +31,9 @@ protected function setUp()
     protected function tearDown()
     {
         $this->dropBatchJobs();
+        $this->closeConnections();
+
+        parent::tearDown();
     }
 
     protected function dropBatchJobs()
@@ -43,6 +47,14 @@ protected function dropBatchJobs()
         unset($this->transport);
     }
 
+    protected function closeConnections()
+    {
+        $entityManager = $this->getContainer()->get('akeneo_batch.job_repository')->getJobManager();
+        $entityManager
+            ->getConnection()
+            ->close();
+    }
+
     /**
      * @param string $alias
      * @param string $status