1 files changed, 3 insertions, 1 deletions
diff --git a/activerecord/test/cases/migration/columns_test.rb b/activerecord/test/cases/migration/columns_test.rb
index e5dfdf1655..1c66c8186f 100644
--- a/activerecord/test/cases/migration/columns_test.rb
+++ b/activerecord/test/cases/migration/columns_test.rb
@@ -325,7 +325,9 @@ module ActiveRecord
             t.timestamp
           end
         end
-        assert e.message.include?("timestamp")
+        assert_equal "Missing column name(s) for timestamp", e.message
+      ensure
+        connection.drop_table :my_table, if_exists: true
       end
     end
   end