Revert test schema to v0 for now - not ready for v1

Author: mradbourne

test/.vscode/settings.json

@@ -4,7 +4,7 @@
             "fileMatch": [
                 "tests/**/*.json"
             ],
-            "url": "./schemas/v1/tests.schema.json"
+            "url": "./schemas/v0/tests.schema.json"
         }
     ]
 }