Test comment entity clone.
File
- 
              tests/src/ Functional/ EntityCloneCommentTest.php, line 74 
Class
- EntityCloneCommentTest
- Create a comment and test a clone.
Namespace
Drupal\Tests\entity_clone\FunctionalCode
public function testCommentEntityClone() {
    $subject = 'Test comment for clone';
    $body = $this->randomMachineName();
    $comment = $this->postComment($this->node, $body, $subject, TRUE);
    $this->drupalGet('entity_clone/comment/' . $comment->id());
    $this->submitForm([], $this->t('Clone'));
    $comments = \Drupal::entityTypeManager()->getStorage('comment')
        ->loadByProperties([
        'subject' => $subject . ' - Cloned',
        'comment_body' => $body,
    ]);
    $comments = reset($comments);
    $this->assertInstanceOf(Comment::class, $comments, 'Test comment cloned found in database.');
}