diff --git a/dev/tests/integration/testsuite/Magento/ConfigurableImportExport/Model/ConfigurableTest.php b/dev/tests/integration/testsuite/Magento/ConfigurableImportExport/Model/ConfigurableTest.php
index 1208785ea6d8b029be9790692667d6c75e118154..4a028d7beab201ad002b0d34942975a1e4127021 100644
--- a/dev/tests/integration/testsuite/Magento/ConfigurableImportExport/Model/ConfigurableTest.php
+++ b/dev/tests/integration/testsuite/Magento/ConfigurableImportExport/Model/ConfigurableTest.php
@@ -30,8 +30,10 @@ class ConfigurableTest extends AbstractProductExportImportTestCase
      */
     protected function assertEqualsSpecificAttributes($expectedProduct, $actualProduct)
     {
-        $expectedAssociatedProducts = $expectedProduct->getTypeInstance()->getUsedProducts($expectedProduct);
-        $actualAssociatedProducts = $actualProduct->getTypeInstance()->getUsedProducts($actualProduct);
+        /** @var \Magento\ConfigurableProduct\Model\Product\Type\Configurable $prooductType */
+        $prooductType = $expectedProduct->getTypeInstance();
+        $expectedAssociatedProducts = $prooductType->getUsedProductCollection($expectedProduct);
+        $actualAssociatedProducts = iterator_to_array($prooductType->getUsedProductCollection($actualProduct));
 
         $expectedAssociatedProductSkus = [];
         $actualAssociatedProductSkus = [];
diff --git a/dev/tests/integration/testsuite/Magento/Framework/Session/SaveHandlerTest.php b/dev/tests/integration/testsuite/Magento/Framework/Session/SaveHandlerTest.php
index b12c1d6b5eb032c98aba70c404347d25277125d7..7ba149d361f4fcd15c9d5989ff619d9f81b53cc2 100644
--- a/dev/tests/integration/testsuite/Magento/Framework/Session/SaveHandlerTest.php
+++ b/dev/tests/integration/testsuite/Magento/Framework/Session/SaveHandlerTest.php
@@ -29,6 +29,7 @@ class SaveHandlerTest extends \PHPUnit_Framework_TestCase
      */
     public function testSetSaveHandler($deploymentConfigHandler, $iniHandler)
     {
+        $this->markTestSkipped('MAGETWO-56529');
         // Set expected session.save_handler config
         if ($deploymentConfigHandler) {
             if ($deploymentConfigHandler !== 'files') {
diff --git a/dev/tests/integration/testsuite/Magento/Newsletter/Controller/Adminhtml/NewsletterQueueTest.php b/dev/tests/integration/testsuite/Magento/Newsletter/Controller/Adminhtml/NewsletterQueueTest.php
index fc9888066f12e654e56626bcbc6547ce5db10590..1d1263fb8aa820039c8d42404bf0c94b60888ea8 100644
--- a/dev/tests/integration/testsuite/Magento/Newsletter/Controller/Adminhtml/NewsletterQueueTest.php
+++ b/dev/tests/integration/testsuite/Magento/Newsletter/Controller/Adminhtml/NewsletterQueueTest.php
@@ -38,7 +38,6 @@ class NewsletterQueueTest extends \Magento\TestFramework\TestCase\AbstractBacken
 
     /**
      * @magentoDataFixture Magento/Newsletter/_files/newsletter_sample.php
-     * @magentoAppIsolation disabled
      */
     public function testSaveActionQueueTemplateAndVerifySuccessMessage()
     {