class ManageFieldsFunctionalTestBase

class ManageFieldsFunctionalTestBase extends BrowserTestBase {
    use FieldUiTestTrait;
    use EntityReferenceFieldCreationTrait;
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'node',
        'field_ui',
        'field_test',
        'taxonomy',
        'image',
        'block',
        'node_access_test',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * The ID of the custom content type created for testing.
     *
     * @var string
     */
    protected $contentType;
    
    /**
     * The label for a random field to be created for testing.
     *
     * @var string
     */
    protected $fieldLabel;
    
    /**
     * The input name of a random field to be created for testing.
     *
     * @var string
     */
    protected $fieldNameInput;
    
    /**
     * The name of a random field to be created for testing.
     *
     * @var string
     */
    protected $fieldName;
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $this->drupalPlaceBlock('system_breadcrumb_block');
        $this->drupalPlaceBlock('local_actions_block');
        $this->drupalPlaceBlock('local_tasks_block');
        $this->drupalPlaceBlock('page_title_block');
        // Create a test user.
        $admin_user = $this->drupalCreateUser([
            'access content',
            'administer content types',
            'bypass node access',
            'administer node fields',
            'administer node form display',
            'administer node display',
            'administer taxonomy',
            'administer taxonomy_term fields',
            'administer taxonomy_term display',
            'administer users',
            'administer account settings',
            'administer user display',
        ]);
        $this->drupalLogin($admin_user);
        // Create content type, with underscores.
        $type_name = $this->randomMachineName(8) . '_test';
        $type = $this->drupalCreateContentType([
            'name' => $type_name,
            'type' => $type_name,
        ]);
        $this->contentType = $type->id();
        // Create random field name with markup to test escaping.
        $this->fieldLabel = '<em>' . $this->randomMachineName(8) . '</em>';
        $this->fieldNameInput = $this->randomMachineName(8);
        $this->fieldName = 'field_' . $this->fieldNameInput;
        // Create Basic page and Article node types.
        $this->drupalCreateContentType([
            'type' => 'page',
            'name' => 'Basic page',
        ]);
        $this->drupalCreateContentType([
            'type' => 'article',
            'name' => 'Article',
        ]);
        // Create a vocabulary named "Tags".
        $vocabulary = Vocabulary::create([
            'name' => 'Tags',
            'vid' => 'tags',
            'langcode' => LanguageInterface::LANGCODE_NOT_SPECIFIED,
        ]);
        $vocabulary->save();
        // Create a vocabulary named "Kittens".
        Vocabulary::create([
            'name' => 'Kittens',
            'vid' => 'kittens',
            'langcode' => LanguageInterface::LANGCODE_NOT_SPECIFIED,
        ])->save();
        $handler_settings = [
            'target_bundles' => [
                $vocabulary->id() => $vocabulary->id(),
            ],
        ];
        $this->createEntityReferenceField('node', 'article', 'field_' . $vocabulary->id(), 'Tags', 'taxonomy_term', 'default', $handler_settings);
        \Drupal::service('entity_display.repository')->getFormDisplay('node', 'article')
            ->setComponent('field_' . $vocabulary->id())
            ->save();
        // Setup node access testing.
        node_access_rebuild();
        node_access_test_add_field(NodeType::load('article'));
        \Drupal::state()->set('node_access_test.private', TRUE);
    }

}