Reported in https://github.com/mozilla/geckodriver/issues/827, Marionette should not deselect the <option> element in a <select> when it is clicked.

I also filed https://github.com/w3c/webdriver/pull/991 to correct the specification.

Comment on attachment 8892043 [details] Bug 1385873 - Better error on wrong element to interaction.selectOption. https://reviewboard.mozilla.org/r/163048/#review168468

Comment on attachment 8892044 [details] Bug 1385873 - Throw TypeError when passing XUL element to interaction.selectOption. https://reviewboard.mozilla.org/r/163050/#review168472

Comment on attachment 8892045 [details] Bug 1385873 - <option> should not be deselected in dropdown. https://reviewboard.mozilla.org/r/163052/#review168474

Comment on attachment 8892046 [details] Bug 1385873 - Add client.Element#selected to WebDriver client. https://reviewboard.mozilla.org/r/163054/#review168476

Comment on attachment 8892047 [details] Bug 1385873 - Port Marionette <option> click tests to WPT. https://reviewboard.mozilla.org/r/163056/#review168480

Pushed by atolfsen@mozilla.com: https://hg.mozilla.org/integration/autoland/rev/66dc437de543 Better error on wrong element to interaction.selectOption. r=automatedtester https://hg.mozilla.org/integration/autoland/rev/9292b83a277a Throw TypeError when passing XUL element to interaction.selectOption. r=automatedtester https://hg.mozilla.org/integration/autoland/rev/cc9c4b27f715 <option> should not be deselected in dropdown. r=automatedtester https://hg.mozilla.org/integration/autoland/rev/f5c335bc7d80 Add client.Element#selected to WebDriver client. r=automatedtester https://hg.mozilla.org/integration/autoland/rev/241d6d2bc109 Port Marionette <option> click tests to WPT. r=automatedtester

https://hg.mozilla.org/mozilla-central/rev/66dc437de543 https://hg.mozilla.org/mozilla-central/rev/9292b83a277a https://hg.mozilla.org/mozilla-central/rev/cc9c4b27f715 https://hg.mozilla.org/mozilla-central/rev/f5c335bc7d80 https://hg.mozilla.org/mozilla-central/rev/241d6d2bc109