Removed old deprecation test because the warning was removed in 1129a24

actionmailer/test/mail_render_test.rb

@@ -88,12 +88,6 @@ class RenderHelperTest < Test::Unit::TestCase
     mail = RenderMailer.deliver_included_subtemplate(@recipient)
     assert_equal "Hey Ho, let's go!", mail.body.strip
   end
-  
-  def test_deprecated_old_subtemplate
-    assert_raises ActionView::ActionViewError do
-      RenderMailer.deliver_included_old_subtemplate(@recipient)
-    end
-  end
 end
 
 class FirstSecondHelperTest < Test::Unit::TestCase