selenium - Unable to run WebDriverIo tutorial -


i'm trying follow webdriverio tutorial @ http://webdriver.io/guide.html .

after setting selenium server, when try executing test node script (step 7 in tutorial), selenium warns me of errors (see screenshot full log), , don't output returned.

steps reproduce:

i start selenium server enter image description here

when try running node script, happens (clock zoom): enter image description here

enter image description here

at point firefox window opens automatically, , remains blank.

i'm running firefox v52 , selenium 3.0.1. downloaded geckodriver https://github.com/mozilla/geckodriver/releases

any obvious thing i'm missing? i'm new selenium , browser automation, forgive generic input :)

if have been here windows release of gecko driver : https://github.com/mozilla/geckodriver/releases, may have miss message :

"important: if use geckodriver selenium, must upgrade selenium 3.3 since release aligns http responses webdriver standard."

(i can see in v3.0.1).


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