diff --git a/db/migrate/20150730130816_add_errormsg_to_test.rb b/db/migrate/20150730130816_add_errormsg_to_test.rb
new file mode 100644
index 000000000..31b1b2246
--- /dev/null
+++ b/db/migrate/20150730130816_add_errormsg_to_test.rb
@@ -0,0 +1,9 @@
+class AddErrormsgToTest < ActiveRecord::Migration
+  def up
+    add_column :homework_tests,:error_msg,:text
+  end
+
+  def down
+    remove_column :homework_tests,:error_msg
+  end
+end