fix typo

src/Symfony/Component/Messenger/Tests/Asynchronous/Transport/Serialization/SerializerConfigurationTest.php

@@ -20,7 +20,7 @@ use Symfony\Component\Serializer\Normalizer\ObjectNormalizer;
  */
 class SerializerConfigurationTest extends TestCase
 {
-    public function testSerialiazable()
+    public function testSerializable()
     {
         $config = new SerializerConfiguration(array(ObjectNormalizer::GROUPS => array('Default', 'Extra')));
 

src/Symfony/Component/Messenger/Tests/Middleware/Configuration/ValidationConfigurationTest.php

@@ -29,7 +29,7 @@ class ValidationConfigurationTest extends TestCase
         $this->assertSame($groups, $config->getGroups());
     }
 
-    public function testSerialiazable()
+    public function testSerializable()
     {
         $this->assertTrue(is_subclass_of(ValidationConfiguration::class, \Serializable::class, true));
         $this->assertEquals($config = new ValidationConfiguration(array('Default', 'Extra')), unserialize(serialize($config)));