diff --git a/tests/phpunit/tests/comment.php b/tests/phpunit/tests/comment.php
index 109cdb46d0..8acbe29e2b 100644
--- a/tests/phpunit/tests/comment.php
+++ b/tests/phpunit/tests/comment.php
@@ -30,7 +30,7 @@ class Tests_Comment extends WP_UnitTestCase {
 		);
 	}
 
-	function test_wp_update_comment() {
+	public function test_wp_update_comment() {
 		$post     = self::factory()->post->create_and_get(
 			array(
 				'post_title' => 'some-post',
@@ -73,7 +73,7 @@ class Tests_Comment extends WP_UnitTestCase {
 	/**
 	 * @ticket 30627
 	 */
-	function test_wp_update_comment_updates_comment_type() {
+	public function test_wp_update_comment_updates_comment_type() {
 		$comment_id = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id ) );
 
 		wp_update_comment(
@@ -90,7 +90,7 @@ class Tests_Comment extends WP_UnitTestCase {
 	/**
 	 * @ticket 36784
 	 */
-	function test_wp_update_comment_updates_comment_meta() {
+	public function test_wp_update_comment_updates_comment_meta() {
 		$comment_id = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id ) );
 		wp_update_comment(
 			array(
@@ -107,7 +107,7 @@ class Tests_Comment extends WP_UnitTestCase {
 	/**
 	 * @ticket 30307
 	 */
-	function test_wp_update_comment_updates_user_id() {
+	public function test_wp_update_comment_updates_user_id() {
 		$comment_id = self::factory()->comment->create( array( 'comment_post_ID' => self::$post_id ) );
 
 		wp_update_comment(
@@ -124,7 +124,7 @@ class Tests_Comment extends WP_UnitTestCase {
 	/**
 	 * @ticket 34954
 	 */
-	function test_wp_update_comment_with_no_post_id() {
+	public function test_wp_update_comment_with_no_post_id() {
 		$comment_id = self::factory()->comment->create( array( 'comment_post_ID' => 0 ) );
 
 		$updated_comment_text = 'I should be able to update a comment with a Post ID of zero';