Bug 1396831 - Update wdclient and wdspec expected error codes. r=jgraham

MozReview-Commit-ID: IwydIfDWRwC

--HG--
extra : rebase_source : 97b67b79feeec142d1ec02f0a74857c772909172

testing/web-platform/tests/tools/webdriver/webdriver/error.py

@@ -62,7 +62,7 @@ class MoveTargetOutOfBoundsException(WebDriverException):
 
 
 class NoSuchAlertException(WebDriverException):
-    http_status = 400
+    http_status = 404
     status_code = "no such alert"
 
 
@@ -72,12 +72,12 @@ class NoSuchElementException(WebDriverException):
 
 
 class NoSuchFrameException(WebDriverException):
-    http_status = 400
+    http_status = 404
     status_code = "no such frame"
 
 
 class NoSuchWindowException(WebDriverException):
-    http_status = 400
+    http_status = 404
     status_code = "no such window"
 
 

testing/web-platform/tests/webdriver/tests/support/asserts.py

@@ -15,11 +15,11 @@ errors = {
     "invalid session id": 404,
     "javascript error": 500,
     "move target out of bounds": 500,
-    "no such alert": 400,
+    "no such alert": 404,
     "no such cookie": 404,
     "no such element": 404,
-    "no such frame": 400,
-    "no such window": 400,
+    "no such frame": 404,
+    "no such window": 404,
     "script timeout": 408,
     "session not created": 500,
     "stale element reference": 400,