doUninstallTest example

$edit = ['language_configuration[language_alterable]' => TRUE];
    $this->drupalGet('admin/structure/types/manage/article');
    $this->submitForm($edit, 'Save content type');
    $this->drupalLogin($this->translator);
  }

  /** * Tests the basic translation UI. */
  public function testTranslationUI() {
    parent::testTranslationUI();
    $this->doUninstallTest();
  }

  /** * Tests changing the published status on a node without fields. */
  public function testPublishedStatusNoFields() {
    // Test changing the published status of an article without fields.     $this->drupalLogin($this->administrator);
    // Delete all fields.     $this->drupalGet('admin/structure/types/manage/article/fields');
    $this->drupalGet('admin/structure/types/manage/article/fields/node.article.' . $this->fieldName . '/delete');