--- a/testing/web-platform/tests/tools/webdriver/webdriver/error.py
+++ b/testing/web-platform/tests/tools/webdriver/webdriver/error.py
@@ -16,16 +16,21 @@ class WebDriverException(Exception):
     def __str__(self):
         return ("%s (%s)\n"
             "\n"
             "Remote-end stacktrace:\n"
             "\n"
             "%s" % (self.status_code, self.http_status, self.stacktrace))
 
 
+class ElementClickInterceptedException(WebDriverException):
+    http_status = 400
+    status_code = "element click intercepted"
+
+
 class ElementNotSelectableException(WebDriverException):
     http_status = 400
     status_code = "element not selectable"
 
 
 class ElementNotVisibleException(WebDriverException):
     http_status = 400
     status_code = "element not visible"