Rakefile in spree_gateway-3.9.3 vs Rakefile in spree_gateway-3.9.4

@@ -1,15 +1,15 @@
 require 'bundler'
 Bundler::GemHelper.install_tasks
 
 require 'rspec/core/rake_task'
-require 'spree/testing_support/common_rake'
+require 'spree/testing_support/extension_rake'
 
 RSpec::Core::RakeTask.new
 
 task :default => [:spec]
 
 desc "Generates a dummy app for testing"
 task :test_app do
   ENV['LIB_NAME'] = 'spree_gateway'
-  Rake::Task['common:test_app'].invoke
+  Rake::Task['extension:test_app'].invoke
 end
\ No newline at end of file