refactor(jest-message-util): delete needless 'if' in AggregateError test

CHANGELOG.md

@@ -5,7 +5,7 @@
 - `[jest-changed-files]` Support Sapling ([#13941](https://github.com/facebook/jest/pull/13941))
 - `[jest-cli, jest-config, @jest/core, jest-haste-map, @jest/reporters, jest-runner, jest-runtime, @jest/types]` Add `workerThreads` configuration option to allow using [worker threads](https://nodejs.org/dist/latest/docs/api/worker_threads.html) for parallelization ([#13939](https://github.com/facebook/jest/pull/13939))
 - `[@jest/create-cache-key-function]` Allow passing `length` argument to `createCacheKey()` function and set its default value to `16` on Windows ([#13827](https://github.com/facebook/jest/pull/13827))
-- `[jest-message-util]` Add support for [AggregateError](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/AggregateError) ([#13946](https://github.com/facebook/jest/pull/13946))
+- `[jest-message-util]` Add support for [AggregateError](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/AggregateError) ([#13946](https://github.com/facebook/jest/pull/13946) & [#13947](https://github.com/facebook/jest/pull/13947))
 - `[jest-worker]` Add `start` method to worker farms ([#13937](https://github.com/facebook/jest/pull/13937))
 
 ### Fixes

packages/jest-message-util/src/__tests__/__snapshots__/messages.test.ts.snap

@@ -76,16 +76,16 @@ exports[`on node >=15.0.0 should return the inner errors of an AggregateError 1`
 
     AggregateError:
 
-      <dim>at Object.<anonymous> (</intensity>packages/jest-message-util/src/__tests__/messages.test.ts<dim>:441:24)</intensity>
+      <dim>at Object.<anonymous> (</intensity>packages/jest-message-util/src/__tests__/messages.test.ts<dim>:440:22)</intensity>
 
     Errors contained in AggregateError:
      Err 1
 
-          <dim>at Object.<anonymous> (</intensity>packages/jest-message-util/src/__tests__/messages.test.ts<dim>:442:9)</intensity>
+          <dim>at Object.<anonymous> (</intensity>packages/jest-message-util/src/__tests__/messages.test.ts<dim>:441:7)</intensity>
 
      Err 2
 
-          <dim>at Object.<anonymous> (</intensity>packages/jest-message-util/src/__tests__/messages.test.ts<dim>:443:9)</intensity>
+          <dim>at Object.<anonymous> (</intensity>packages/jest-message-util/src/__tests__/messages.test.ts<dim>:442:7)</intensity>
 
 "
 `;

packages/jest-message-util/src/__tests__/messages.test.ts

@@ -437,22 +437,20 @@ it('should return the error cause if there is one', () => {
 onNodeVersions('>=15.0.0', () => {
   it('should return the inner errors of an AggregateError', () => {
     // See https://github.com/nodejs/node/blob/main/doc/changelogs/CHANGELOG_V15.md#v8-86---35415
-    if (AggregateError) {
-      const aggError = new AggregateError([
-        new Error('Err 1'),
-        new Error('Err 2'),
-      ]);
-      const message = formatExecError(
-        aggError,
-        {
-          rootDir: '',
-          testMatch: [],
-        },
-        {
-          noStackTrace: false,
-        },
-      );
-      expect(message).toMatchSnapshot();
-    }
+    const aggError = new AggregateError([
+      new Error('Err 1'),
+      new Error('Err 2'),
+    ]);
+    const message = formatExecError(
+      aggError,
+      {
+        rootDir: '',
+        testMatch: [],
+      },
+      {
+        noStackTrace: false,
+      },
+    );
+    expect(message).toMatchSnapshot();
   });
 });