1 files changed, 4 insertions, 5 deletions
diff --git a/activesupport/test/ts_isolated.rb b/activesupport/test/ts_isolated.rb
index 58710e0165..2c217157d3 100644
--- a/activesupport/test/ts_isolated.rb
+++ b/activesupport/test/ts_isolated.rb
@@ -1,17 +1,16 @@
-$:.unshift(File.dirname(__FILE__) + '/../../activesupport/lib')
-
-require 'test/unit'
+require 'minitest/autorun'
+require 'active_support/test_case'
 require 'rbconfig'
 require 'active_support/core_ext/kernel/reporting'
 
-class TestIsolated < Test::Unit::TestCase
+class TestIsolated < ActiveSupport::TestCase
   ruby = File.join(*RbConfig::CONFIG.values_at('bindir', 'RUBY_INSTALL_NAME'))
 
   Dir["#{File.dirname(__FILE__)}/**/*_test.rb"].each do |file|
     define_method("test #{file}") do
       command = "#{ruby} -Ilib:test #{file}"
       result = silence_stderr { `#{command}` }
-      assert_block("#{command}\n#{result}") { $?.to_i.zero? }
+      assert $?.to_i.zero?, "#{command}\n#{result}"
     end
   end
 end