diff --git a/tests/phpunit/includes/factory.php b/tests/phpunit/includes/factory.php
index 39131492b1..aa938bb380 100644
--- a/tests/phpunit/includes/factory.php
+++ b/tests/phpunit/includes/factory.php
@@ -122,6 +122,7 @@ class WP_UnitTest_Factory_For_Comment extends WP_UnitTest_Factory_For_Thing {
 			'comment_author' => new WP_UnitTest_Generator_Sequence( 'Commenter %s' ),
 			'comment_author_url' => new WP_UnitTest_Generator_Sequence( 'http://example.com/%s/' ),
 			'comment_approved' => 1,
+			'comment_content' => 'This is a comment'
 		);
 	}