class HiddenTaxonomyTermReferenceFieldWizardTest

class HiddenTaxonomyTermReferenceFieldWizardTest extends WizardTestBase {
  
  /**
   * {@inheritdoc}
   */
  protected $defaultTheme = 'stark';
  
  /**
   * Modules to enable.
   *
   * @var array
   */
  protected static $modules = [
    'taxonomy',
  ];
  
  /**
   * Tests content type with a hidden Taxonomy Term Reference field.
   */
  public function testHiddenTaxonomyTermReferenceField() {
    // Create Article node type.
    $this->drupalCreateContentType([
      'type' => 'article',
      'name' => 'Article',
    ]);
    // Create a taxonomy_term_reference field on the article Content Type. By
    // not assigning a widget to that field we make sure it is hidden on the
    // Form Display.
    $field_name = mb_strtolower($this->randomMachineName());
    FieldStorageConfig::create([
      'field_name' => $field_name,
      'entity_type' => 'node',
      'type' => 'entity_reference',
      'cardinality' => FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED,
      'settings' => [
        'target_type' => 'taxonomy_term',
      ],
    ])->save();
    FieldConfig::create([
      'field_name' => $field_name,
      'bundle' => 'article',
      'entity_type' => 'node',
      'settings' => [
        'handler' => 'default',
      ],
    ])->save();
    $this->drupalGet('admin/structure/views/add');
    $this->assertSession()
      ->statusCodeEquals(200);
  }

}