Consolidate location for Flow libdefs

.eslintrc.js

@@ -64,10 +64,7 @@ module.exports = {
       },
     },
     {
-      files: [
-        'flow-typed/**/*.js',
-        'packages/react-native/src/types/*.js.flow',
-      ],
+      files: ['flow-typed/**/*.js', 'packages/react-native/flow/**/*'],
       rules: {
         'lint/valid-flow-typed-signature': 2,
         'no-shadow': 0,

.flowconfig

@@ -44,7 +44,6 @@
 flow-typed/
 packages/react-native/interface.js
 packages/react-native/flow/
-packages/react-native/src/types/
 
 [options]
 enums=true

packages/helloworld/__tests__/App.test.jsx

@@ -0,0 +1,19 @@
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @flow strict-local
+ * @format
+ */
+
+import App from '../App';
+import React from 'react';
+import ReactTestRenderer from 'react-test-renderer';
+
+test('renders correctly', async () => {
+  await ReactTestRenderer.act(() => {
+    ReactTestRenderer.create(<App />);
+  });
+});