diff --git a/tests/phpunit/tests/ajax/MediaEdit.php b/tests/phpunit/tests/ajax/MediaEdit.php
index 61c262b013..0060083820 100644
--- a/tests/phpunit/tests/ajax/MediaEdit.php
+++ b/tests/phpunit/tests/ajax/MediaEdit.php
@@ -25,6 +25,7 @@ class Tests_Ajax_MediaEdit extends WP_Ajax_UnitTestCase {
 
 	/**
 	 * @ticket 22985
+	 * @requires function imagejpeg
 	 */
 	public function testCropImageThumbnail() {
 		require_once ABSPATH . 'wp-admin/includes/image-edit.php';
@@ -54,6 +55,7 @@ class Tests_Ajax_MediaEdit extends WP_Ajax_UnitTestCase {
 
 	/**
 	 * @ticket 32171
+	 * @requires function imagejpeg
 	 */
 	public function testImageEditOverwriteConstant() {
 		define( 'IMAGE_EDIT_OVERWRITE', true );