Update serializer used in integration test

Replace serialize with it's interface. Also passes the serializer when
instantiating the test subject. This ensures the correct implementation is used
becuase the interface preference and fallback in the constructor do not match.

Author: pmclain

dev/tests/integration/testsuite/Magento/Framework/Interception/Config/ConfigTest.php

@@ -38,7 +38,7 @@ protected function setUp()
     {
         $this->objectManager = \Magento\TestFramework\Helper\Bootstrap::getObjectManager();
 
-        $this->serializer = $this->objectManager->get(\Magento\Framework\Serialize\Serializer\Serialize::class);
+        $this->serializer = $this->objectManager->get(\Magento\Framework\Serialize\SerializerInterface::class);
         $this->cache = $this->objectManager->get(\Magento\Framework\App\CacheInterface::class);
         $this->configWriter = $this->objectManager->get(\Magento\Framework\App\ObjectManager\ConfigWriter\Filesystem::class);
 
@@ -130,6 +130,7 @@ private function getConfig()
             [
                 'cacheId' => self::CACHE_ID,
                 'compiledLoader' => $this->objectManager->create(\Magento\Framework\App\ObjectManager\ConfigLoader\Compiled::class),
+                'serializer' => $this->serializer,
             ]
         );
     }