[Merge] lp:~ahayzen/webbrowser-app/add-autopilot-multi-window-tests-001 into lp:webbrowser-app/staging

[Andrew Hayzen]

Fixed inline comments, please retest :-)
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https://code.launchpad.net/~ahayzen/webbrowser-app/add-autopilot-multi-window-tests-001/+merge/309678
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