diff --git a/actionview/test/template/asset_tag_helper_test.rb b/actionview/test/template/asset_tag_helper_test.rb
index d5d4925f54..6645839f0e 100644
--- a/actionview/test/template/asset_tag_helper_test.rb
+++ b/actionview/test/template/asset_tag_helper_test.rb
@@ -463,11 +463,21 @@ class AssetTagHelperTest < ActionView::TestCase
 
   def test_image_alt
     [nil, "/", "/foo/bar/", "foo/bar/"].each do |prefix|
-      assert_equal "Rails", image_alt("#{prefix}rails.png")
-      assert_equal "Rails", image_alt("#{prefix}rails-9c0a079bdd7701d7e729bd956823d153.png")
-      assert_equal "Rails", image_alt("#{prefix}rails-f56ef62bc41b040664e801a38f068082a75d506d9048307e8096737463503d0b.png")
-      assert_equal "Long file name with hyphens", image_alt("#{prefix}long-file-name-with-hyphens.png")
-      assert_equal "Long file name with underscores", image_alt("#{prefix}long_file_name_with_underscores.png")
+      assert_deprecated do
+        assert_equal "Rails", image_alt("#{prefix}rails.png")
+      end
+      assert_deprecated do
+        assert_equal "Rails", image_alt("#{prefix}rails-9c0a079bdd7701d7e729bd956823d153.png")
+      end
+      assert_deprecated do
+        assert_equal "Rails", image_alt("#{prefix}rails-f56ef62bc41b040664e801a38f068082a75d506d9048307e8096737463503d0b.png")
+      end
+      assert_deprecated do
+        assert_equal "Long file name with hyphens", image_alt("#{prefix}long-file-name-with-hyphens.png")
+      end
+      assert_deprecated do
+        assert_equal "Long file name with underscores", image_alt("#{prefix}long_file_name_with_underscores.png")
+      end
     end
   end