[Rake] Improve spec:regenerate_integration_fixtures task

Gemfile.lock

@@ -7,7 +7,7 @@ GIT
 
 GIT
   remote: https://github.com/CocoaPods/Core.git
-  revision: a6d129d9a72bd7324414001daacbe8bfd96b2311
+  revision: dfbde7c030c5af723fc2df1850a603c06b7088fa
   branch: master
   specs:
     cocoapods-core (0.31.1)
@@ -18,7 +18,7 @@ GIT
 
 GIT
   remote: https://github.com/CocoaPods/Xcodeproj.git
-  revision: 357d061b0b3a60fa6ac0a40cb3da6ce7689e3c9e
+  revision: 1ead6368b83d492ebf3194e45fb0d732632446c4
   branch: master
   specs:
     xcodeproj (0.16.0)

Rakefile

@@ -188,7 +188,8 @@ namespace :spec do
   desc "Rebuilds integration fixtures"
   task :rebuild_integration_fixtures do
     title 'Running Integration tests'
-    `bundle exec bacon spec/integration.rb`
+    sh 'rm -rf spec/cocoapods-integration-specs/tmp'
+    Rake::Task['spec:integration'].invoke
 
     title 'Storing fixtures'
     # Copy the files to the files produced by the specs to the after folders

cocoapods-integration-specs @ 9718e4c2

-Subproject commit eced44cc9e4bf19ce9c3b6d68dc4806af25252fa
+Subproject commit 9718e4c2bc6f6b0d54cf7c5e67bd6af7aec5f94b