chore(clean-css): have spec use function name instead of string
chore(clean-css): have spec use function name instead of string

michaelgeorgeattard/ionic-app-scripts,driftyco/ionic-app-scripts,rolandjitsu/ionic-app-scripts,rolandjitsu/ionic-app-scripts,driftyco/ionic-app-scripts,michaelgeorgeattard/ionic-app-scripts,michaelgeorgeattard/ionic-app-scripts,driftyco/ionic-app-scripts,rolandjitsu/ionic-app-scripts