only in patch2: unchanged: --- a/core/modules/comment/tests/src/Kernel/Migrate/d6/MigrateCommentTest.php +++ b/core/modules/comment/tests/src/Kernel/Migrate/d6/MigrateCommentTest.php @@ -61,7 +61,7 @@ public function testComments() { $this->assertIdentical('The first comment.', $comment->getSubject()); $this->assertIdentical('The first comment body.', $comment->comment_body->value); $this->assertIdentical('filtered_html', $comment->comment_body->format); - $this->assertIdentical('0', $comment->pid->target_id); + $this->assertIdentical(NULL, $comment->pid->target_id); $this->assertIdentical('1', $comment->getCommentedEntityId()); $this->assertIdentical('node', $comment->getCommentedEntityTypeId()); $this->assertIdentical('en', $comment->language()->getId()); @@ -73,6 +73,6 @@ public function testComments() { $comment = $comment_storage->load(3); $this->assertIdentical('The second comment.', $comment->subject->value); - $this->assertIdentical('0', $comment->pid->target_id); + $this->assertIdentical(NULL, $comment->pid->target_id); } }