chore: do not load in tests

Signed-off-by: Johan Haals <johan.haals@gmail.com>

packages/app/src/App.tsx

@@ -169,7 +169,7 @@ const app = createApp({
 
 /* HIGHLY EXPERIMENTAL. DO NOT USE THIS IN YOUR APP */
 let extensionTree: ExtensionTree | undefined;
-if (process.env.NODE_ENV === 'test') {
+if (process.env.NODE_ENV !== 'test') {
   extensionTree = createExtensionTree({
     config: ConfigReader.fromConfigs(await defaultConfigLoader()),
   });