Rakefile in dusen-0.2.1 vs Rakefile in dusen-0.2.2

@@ -6,19 +6,21 @@
 
 namespace :all do
 
   desc "Run specs on all spec apps"
   task :spec do
+    success = true
     for_each_directory_of('spec/**/Rakefile') do |directory|
       env = "SPEC=../../#{ENV['SPEC']} " if ENV['SPEC']
-      system("cd #{directory} && #{env} bundle exec rake spec")
+      success &= system("cd #{directory} && #{env} bundle exec rake spec")
     end
+    fail "Tests failed" unless success
   end
 
   desc "Bundle all spec apps"
   task :bundle do
     for_each_directory_of('spec/**/Gemfile') do |directory|
-      system("cd #{directory} && bundle install")
+      system("cd #{directory} && rm -f Gemfile.lock && bundle install")
     end
   end
 
 end