Issue #3275860 by tedbow: Mark our modules as experimental

automatic_updates.info.yml

@@ -2,6 +2,7 @@ name: 'Automatic Updates'
 type: module
 description: 'Automatically updates Drupal core.'
 core_version_requirement: ^9.2
+lifecycle: experimental
 dependencies:
   - drupal:automatic_updates_9_3_shim
   - drupal:package_manager

automatic_updates_extensions/automatic_updates_extensions.info.yml

@@ -3,5 +3,6 @@ type: module
 description: 'Allows updates to themes and modules'
 core_version_requirement: ^9.2
 hidden: true
+lifecycle: experimental
 dependencies:
   - drupal:automatic_updates

package_manager/package_manager.info.yml

@@ -2,3 +2,4 @@ name: 'Package Manager'
 type: module
 description: 'API module providing functionality for staging package installs and updates with Composer.'
 core_version_requirement: ^9
+lifecycle: experimental

tests/src/Unit/EnsureExperimentalTest.php

+<?php
+
+namespace Drupal\Tests\automatic_updates\Unit;
+
+use Drupal\Tests\UnitTestCase;
+use Symfony\Component\Yaml\Yaml;
+
+/**
+ * Tests to ensure the modules are experimental.
+ *
+ * @group automatic_updates
+ */
+class EnsureExperimentalTest extends UnitTestCase {
+
+  /**
+   * Tests that the modules are experimental.
+   */
+  public function testModulesExperimental() {
+    $info_files = [
+      __DIR__ . '/../../../automatic_updates_extensions/automatic_updates_extensions.info.yml',
+      __DIR__ . '/../../../automatic_updates.info.yml',
+      __DIR__ . '/../../../package_manager/package_manager.info.yml',
+
+    ];
+    foreach ($info_files as $info_file) {
+      $info = Yaml::parseFile($info_file);
+      $this->assertSame('experimental', $info['lifecycle']);
+    }
+  }
+
+}