Use null rather than "None"

oliwenmandiamond · oliwenmandiamond · commit bd6ceae4a70a · 2026-04-07T11:10:57.000+01:00
diff --git a/tests/system_tests/plans.json b/tests/system_tests/plans.json
@@ -42,7 +42,7 @@
                         "additionalProperties": true,
                         "title": "Metadata",
                         "type": "object",
-                        "default": "None"
+                        "default": null
                     }
                 },
                 "required": [
