1 files changed, 5 insertions, 3 deletions
diff --git a/actionview/Rakefile b/actionview/Rakefile
index b9f34e0617..087b249dfe 100644
--- a/actionview/Rakefile
+++ b/actionview/Rakefile
@@ -22,9 +22,11 @@ Rake::TestTask.new(:test_action_view) do |t|
 end
 
 namespace :test do
-  Rake::TestTask.new(:isolated) do |t|
-    t.libs << 'test'
-    t.pattern = 'test/ts_isolated.rb'
+  task :isolated do
+    ruby = File.join(*RbConfig::CONFIG.values_at('bindir', 'RUBY_INSTALL_NAME'))
+    Dir.glob("test/{active_record,template}/**/*_test.rb").all? do |file|
+      sh(ruby, '-Ilib:test', file)
+    end or raise "Failures"
   end
 
   Rake::TestTask.new(:template) do |t|