Don't output screenshot paths if they aren't saved #128
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Right now
Saver#save
returnsnil
and does nothing if the browser hasn't loaded any URL, but will still output paths to files that do not exist:https://github.com/mattheworiordan/capybara-screenshot/blob/master/lib/capybara-screenshot/saver.rb#L22-L23
This at least stops tricking users into thinking screenshots are being taken when they aren't.