test: Add test for user-overridden customExportConditions via a custo…

…m env

e2e/resolve-conditions/__tests__/custom-env-override-conditions.mjs

@@ -0,0 +1,15 @@
+/**
+ * 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.
+ *
+ * @jest-environment <rootDir>/custom-env.js
+ * @jest-environment-options {"customExportConditions": ["react-native"]}
+ */
+
+import {fn} from 'fake-dual-dep';
+
+test('returns correct message', () => {
+  expect(fn()).toBe('hello from react native');
+});

e2e/resolve-conditions/__tests__/deno.test.mjs → e2e/resolve-conditions/__tests__/custom-env.test.mjs

@@ -4,7 +4,7 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * @jest-environment <rootDir>/deno-env.js
+ * @jest-environment <rootDir>/custom-env.js
  */
 
 import {fn} from 'fake-dual-dep';

e2e/resolve-conditions/deno-env.js → e2e/resolve-conditions/custom-env.js

@@ -9,8 +9,6 @@
 
 const NodeEnv = require('jest-environment-node').TestEnvironment;
 
-module.exports = class DenoEnvWithConditions extends NodeEnv {
-  exportConditions() {
-    return ['deno'];
-  }
+module.exports = class CustomEnvWithConditions extends NodeEnv {
+  customExportConditions = ['deno'];
 };