ignore the cached body when comparing e-mails for equality

Author: xabbuh

src/Symfony/Component/Mime/Tests/MessageConverterTest.php

@@ -76,6 +76,12 @@ private function assertConversion(Email $expected)
             $expected->html('HTML content');
             $converted->html('HTML content');
         }
+
+        $r = new \ReflectionProperty($expected, 'cachedBody');
+        $r->setAccessible(true);
+        $r->setValue($expected, null);
+        $r->setValue($converted, null);
+
         $this->assertEquals($expected, $converted);
     }
 }