Merge pull request #2491 from dunglas/alt-fix-tests

Fix deps=lowest

Author: dunglas

composer.json

@@ -51,6 +51,7 @@
         "psr/log": "^1.0",
         "ramsey/uuid": "^3.7",
         "ramsey/uuid-doctrine": "^1.4",
+        "sebastian/object-enumerator": "^3.0.3",
         "symfony/asset": "^3.4 || ^4.0",
         "symfony/cache": "^3.4 || ^4.0",
         "symfony/config": "^3.4 || ^4.0",