bitbake: toaster/tests/selenium_helper_base: Handle WebDriverException

The WebDriverException can occur if elements are not present in the DOM
yet. Catch and handle this. It is our most frequently occuring failure
in automated testing now.

(Bitbake rev: 006173cbd32116ff1cea59b2c99eead807be39bb)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

bitbake/lib/toaster/tests/browser/selenium_helpers_base.py

@@ -27,7 +27,7 @@ from selenium.webdriver.common.by import By
 from selenium.webdriver.common.desired_capabilities import DesiredCapabilities
 from selenium.common.exceptions import NoSuchElementException, \
         StaleElementReferenceException, TimeoutException, \
-        SessionNotCreatedException
+        SessionNotCreatedException, WebDriverException
 
 def create_selenium_driver(cls,browser='chrome'):
     # set default browser string based on env (if available)
@@ -114,6 +114,9 @@ class Wait(WebDriverWait):
                 pass
             except StaleElementReferenceException:
                 pass
+            except WebDriverException:
+                # selenium.common.exceptions.WebDriverException: Message: unknown error: unhandled inspector error: {"code":-32000,"message":"Node with given id does not belong to the document"}
+                pass
 
             time.sleep(self._poll)
             if time.time() > end_time: