diff --git a/core/tests/Drupal/Tests/Core/Image/ImageTest.php b/core/tests/Drupal/Tests/Core/Image/ImageTest.php
index 2eebde5..ea3fc1d 100644
--- a/core/tests/Drupal/Tests/Core/Image/ImageTest.php
+++ b/core/tests/Drupal/Tests/Core/Image/ImageTest.php
@@ -134,7 +134,7 @@ public function testSave() {
       ->method('save')
       ->will($this->returnValue(TRUE));
 
-    $image = $this->getMock('Drupal\Core\Image\Image', array('chmod'), array($this->image->getSource(), $this->toolkit));
+    $image = $this->getMock('Drupal\Core\Image\Image', array('chmod'), array($this->toolkit, $this->image->getSource()));
     $image->expects($this->any())
       ->method('chmod')
       ->will($this->returnValue(TRUE));
@@ -163,7 +163,7 @@ public function testChmodFails() {
       ->method('save')
       ->will($this->returnValue(TRUE));
 
-    $image = $this->getMock('Drupal\Core\Image\Image', array('chmod'), array($this->image->getSource(), $this->toolkit));
+    $image = $this->getMock('Drupal\Core\Image\Image', array('chmod'), array($this->toolkit, $this->image->getSource()));
     $image->expects($this->any())
       ->method('chmod')
       ->will($this->returnValue(FALSE));