diff --git a/activerecord/test/cases/attribute_methods_test.rb b/activerecord/test/cases/attribute_methods_test.rb
index d341dd0083b42900c1235523fffe2df4ef393a8e..148c9dd347ae077c9f6e4522cd6ed7374d07258c 100644
--- a/activerecord/test/cases/attribute_methods_test.rb
+++ b/activerecord/test/cases/attribute_methods_test.rb
@@ -711,6 +711,10 @@ def topic.title() "b" end
       record.written_on = "Jan 01 00:00:00 2014"
       assert_equal record, YAML.load(YAML.dump(record))
     end
+  ensure
+    # NOTE: Reset column info because global topics
+    # don't have tz-aware attributes by default.
+    Topic.reset_column_information
   end
 
   test "setting a time zone-aware time in the current time zone" do