Up to now, scripts were loaded prior to the stylesheet in <head>. When
scripts are loaded before stylesheets, it is possible that scripts
execute on the DOM elements before styles are fully loaded. This can
yield unexpected results.
In the case of the features/desktop/signs_up.feature tests, it would
happen every so often that the scripts ran before styles were loaded.
For example, the app.views.Publisher class (responsible for actions
related to creating a new post) relies on the poll element being either
hidden (or poll options being defined). As per stylesheet, the poll is
hidden by default. But when the scripts run before the stylesheet has
loaded, the poll appears visible to the script and post submission is
disabled.
This is fixed by loading stylesheets prior to scripts. See SO for more
info: https://stackoverflow.com/a/1324720/6451879
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