Appraisals in sprockets-helpers-0.9.1 vs Appraisals in sprockets-helpers-1.0.0

@@ -23,5 +23,17 @@
 end
 
 appraise 'sprockets-2.6' do
   gem 'sprockets', '~> 2.6.0'
 end
+
+appraise 'sprockets-2.7' do
+  gem 'sprockets', '~> 2.7.0'
+end
+
+appraise 'sprockets-2.8' do
+  gem 'sprockets', '~> 2.8.0'
+end
+
+appraise 'sprockets-2.9' do
+  gem 'sprockets', '~> 2.9.0'
+end