1 files changed, 4 insertions, 2 deletions
diff --git a/actionmailer/test/mail_service_test.rb b/actionmailer/test/mail_service_test.rb
index c0a3f655b9..aa31c9a803 100644
--- a/actionmailer/test/mail_service_test.rb
+++ b/actionmailer/test/mail_service_test.rb
@@ -1085,13 +1085,15 @@ EOF
   end
 end
 
-class InheritableTemplateRootTest < Test::Unit::TestCase
+class InheritableTemplateRootTest < ActiveSupport::TestCase
   def test_attr
     expected = File.expand_path("#{File.dirname(__FILE__)}/fixtures/path.with.dots")
     assert_equal expected, FunkyPathMailer.template_root.to_s
 
     sub = Class.new(FunkyPathMailer)
-    sub.template_root = 'test/path'
+    assert_deprecated do
+      sub.template_root = 'test/path'
+    end
 
     assert_equal File.expand_path('test/path'), sub.template_root.to_s
     assert_equal expected, FunkyPathMailer.template_root.to_s