1 files changed, 2 insertions, 2 deletions
diff --git a/actionview/test/template/html_test.rb b/actionview/test/template/html_test.rb
index c5fc8f906c..17f21cbbc5 100644
--- a/actionview/test/template/html_test.rb
+++ b/actionview/test/template/html_test.rb
@@ -8,9 +8,9 @@ class HTMLTest < ActiveSupport::TestCase
   end
 
   test "formats returns string for recognized MIME type when MIME does not have symbol" do
-    foo = Mime::Type.lookup("foo")
+    foo = Mime::Type.lookup("text/foo")
     assert_nil foo.to_sym
-    assert_equal "foo", ActionView::Template::HTML.new("", foo).format
+    assert_equal "text/foo", ActionView::Template::HTML.new("", foo).format
   end
 
   test "formats returns string for unknown MIME type" do