Draft: Resolve #3429849 "Test only"

Closes #3429849

composer/Metapackage/CoreRecommended/composer.json

@@ -11,8 +11,7 @@
         "asm89/stack-cors": "~v2.3.0",
         "composer/semver": "~3.4.3",
         "doctrine/annotations": "~2.0.2",
-        "doctrine/deprecations": "~1.1.5",
-        "doctrine/lexer": "~2.1.1",
+        "doctrine/lexer": "~3.0.1",
         "egulias/email-validator": "~4.0.4",
         "guzzlehttp/guzzle": "~7.9.3",
         "guzzlehttp/promises": "~2.2.0",