Fixed snippets helper Spec

spec/helpers/snippets_helper_spec.rb

@@ -122,7 +122,7 @@ RSpec.describe SnippetsHelper do
       let(:visibility) { :private }
 
       it 'returns the snippet badge' do
-        expect(subject).to eq "<span class=\"badge badge-gray\"><i class=\"fa fa-lock\"></i> private</span>"
+        expect(subject).to eq "<span class=\"badge badge-gray\">#{sprite_icon('lock', size: 14, css_class: 'vertical-align-middle')} private</span>"
       end
     end