Issue #3444549 by Mingsong, welly: Auto test for this module

.gitlab-ci.yml

@@ -48,6 +48,7 @@ include:
 ################
 variables:
   SKIP_ESLINT: '1'
+  _CSPELL_IGNORE_PATHS: '"**/*.yml"'
 
 ###################################################################################
 #

tests/src/Functional/GenericTest.php

+<?php
+
+declare(strict_types=1);
+
+namespace Drupal\Tests\quill\Functional;
+
+use Drupal\Tests\BrowserTestBase;
+
+/**
+ * Generic module test for Quill module.
+ *
+ * @group quill
+ */
+class GenericTest extends BrowserTestBase {
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
+  /**
+   * Checks installation about this module.
+   */
+  public function testModuleInstallation(): void {
+    $module_installer = \Drupal::service('module_installer');
+    // Check the installation of this module.
+    $this->assertTrue($module_installer->install(['quill']));
+    $info = \Drupal::service('extension.list.module')->getExtensionInfo('quill');
+    if (!empty($info['required']) && !empty($info['hidden'])) {
+      $this->markTestSkipped('Nothing to assert for hidden, required modules.');
+    }
+
+    if (empty($info['required'])) {
+      // Check that the module can be uninstalled and then re-installed again.
+      $this->assertTrue($module_installer->uninstall(['quill']), "Failed to uninstall Quill module");
+      $this->assertTrue($module_installer->install(['quill']), "Failed to install Quill module");
+    }
+  }
+
+}