declare conflict with too old jms/serializer

we need a version that provides JMS\Serializer\Visitor\SerializationVisitorInterface

Author: dbu

composer.json

@@ -53,6 +53,7 @@
         }
     },
     "conflict": {
+        "jms/serializer": "<2.2.0",
         "sebastian/environment": "<1.3.4",
         "sebastian/exporter": "<2.0.0"
     },

tests/Unit/DependencyInjection/CmfResourceRestExtensionTest.php

@@ -49,15 +49,13 @@ public function testExtension($config)
         $this->compile();
     }
 
-    /**
-     * @expectedException \LogicException
-     * @expectedExceptionMessage The JMSSerializerBundle must be registered
-     */
     public function testNoJmsSerializerBundleRegistered()
     {
         $this->container->setParameter('kernel.bundles', []);
 
+        $this->expectException(\LogicException::class);
+        $this->expectExceptionMessage('The JMSSerializerBundle must be registered');
+
         $this->load([]);
-        $this->compile();
     }
 }