sass/sass-spec — pull request #172 by xzyfer (2014-12-11 23:29:03+00:00)
Title: Update spec for feature-exists for sass compat

This PR updates the spec for `feature-exists` because it's not compatible with Ruby sass and goes against our goal of being the one true spec suite.

Originally pointed out by @HugoGiraudel in https://github.com/sass/sass-spec/pull/161#issuecomment-66697922