first commit

core/profiles/testing/modules/drupal_system_cross_profile_test/drupal_system_cross_profile_test.info.yml

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+name: 'Drupal system cross profile test'
+type: module
+description: 'Support module for testing that a module in one profile can be reused in another profile.'
+package: Testing
+# version: VERSION
+
+# Information added by Drupal.org packaging script on 2024-07-04
+version: '10.3.1'
+project: 'drupal'
+datestamp: 1720094222

core/profiles/testing/modules/drupal_system_listing_compatible_test/drupal_system_listing_compatible_test.info.yml

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+name: 'Drupal system listing compatible test'
+type: module
+description: 'Support module for testing the drupal_system_listing function.'
+package: Testing
+# version: VERSION
+
+# Information added by Drupal.org packaging script on 2024-07-04
+version: '10.3.1'
+project: 'drupal'
+datestamp: 1720094222

core/profiles/testing/modules/drupal_system_listing_compatible_test/tests/src/Kernel/SystemListingCrossProfileCompatibleTest.php

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+<?php
+
+declare(strict_types=1);
+
+namespace Drupal\Tests\drupal_system_listing_compatible_test\Kernel;
+
+use Drupal\KernelTests\KernelTestBase;
+
+/**
+ * Verifies that tests in installation profile modules are found.
+ *
+ * @group drupal_system_listing_compatible_test
+ */
+class SystemListingCrossProfileCompatibleTest extends KernelTestBase {
+
+  /**
+   * Attempt to enable a module from the Testing profile.
+   *
+   * This test uses the Minimal profile, but enables a module from the Testing
+   * profile to confirm that a different profile can be used for running tests.
+   *
+   * @var array
+   */
+  protected static $modules = ['drupal_system_cross_profile_test'];
+
+  /**
+   * Use the Minimal profile.
+   *
+   * This test needs to use a different installation profile than the test which
+   * asserts that this test is found.
+   *
+   * @var string
+   */
+  protected $profile = 'minimal';
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function setUp(): void {
+    parent::setUp();
+
+    $this->setInstallProfile($this->profile);
+  }
+
+  /**
+   * Non-empty test* method required to executed the test case class.
+   */
+  public function testSystemListing() {
+    /** @var \Drupal\Core\Extension\ModuleHandlerInterface $module_handler */
+    $module_handler = $this->container->get('module_handler');
+    $this->assertTrue($module_handler->moduleExists('drupal_system_cross_profile_test'), 'Module installed from different profile');
+  }
+
+}

core/profiles/testing/testing.info.yml

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+name: Testing
+type: profile
+description: 'Minimal profile for running tests. Includes absolutely required modules only.'
+# version: VERSION
+hidden: true
+install:
+  # Enable page_cache and dynamic_page_cache in testing, to ensure that as many
+  # tests as possible run with them enabled.
+  - drupal:page_cache
+  - dynamic_page_cache
+
+# Information added by Drupal.org packaging script on 2024-07-04
+version: '10.3.1'
+project: 'drupal'
+datestamp: 1720094222