Fix status file update for firefox

dart/tests/html/html.status

Index: dart/tests/html/html.status
diff --git a/dart/tests/html/html.status b/dart/tests/html/html.status
index d787ff1e780e142948e97622f0b31a2116764568..f6f9d04322ea7a940b15a521e122d27524a4e2bb 100644
--- a/dart/tests/html/html.status
+++ b/dart/tests/html/html.status
@@ -338,16 +338,16 @@ performance_api_test/supported: Fail
 speechrecognition_test/supported: Fail
 websql_test/supported: Fail
 
+[ $runtime == ff && $system == windows ]
+messageevent_test: RuntimeError # Issue 15651
+serialized_script_value_test: RuntimeError # Issue 15651
+
 [ $runtime == ff ]
 xhr_test/xhr: Pass, Fail # Issue 11602
 dart_object_local_storage_test: Skip  # sessionStorage NS_ERROR_DOM_NOT_SUPPORTED_ERR
 webgl_1_test: Pass, Fail   # Issue 8219
 canvasrenderingcontext2d_test/drawImage_video_element_dataUrl: Fail # Firefox does not like dataUrl videos for drawImage
 
-[ $runtime == ff && $system == windows ]
-messageevent_test: RuntimeError # Issue 15651
-serialized_script_value_test: RuntimeError # Issue 15651
-
 # FireFox Feature support statuses-
 # All changes should be accompanied by platform support annotation changes.
 audiobuffersourcenode_test: Pass, Fail # Issue 14602