diff --git a/.github/workflows/rubyonrails.yml b/.github/workflows/rubyonrails.yml
index 77a50cff..19bceda6 100644
--- a/.github/workflows/rubyonrails.yml
+++ b/.github/workflows/rubyonrails.yml
@@ -160,8 +160,8 @@ jobs:
           litmus http://localhost:3000/dmsf/webdav/dmsf_test_project admin admin
           kill `cat tmp/pids/server.pid`
           bundle exec rake redmine:dmsf_webdav_test_off
-        env:
-          TESTS: "basic copymove props"
+        #env:
+        #  TESTS: "basic copymove props"
       - name: Cleanup
         # Rollback plugin's changes to the database
         # Stop the database engine
diff --git a/lib/redmine_dmsf/webdav/base_resource.rb b/lib/redmine_dmsf/webdav/base_resource.rb
index 4ec91cfb..63ab20da 100644
--- a/lib/redmine_dmsf/webdav/base_resource.rb
+++ b/lib/redmine_dmsf/webdav/base_resource.rb
@@ -30,16 +30,14 @@ module RedmineDmsf
 
       attr_reader :public_path
 
-      unless const_defined?(DIR_FILE)
-        DIR_FILE = %(
-                      <tr>
-                        <td class=\"name\"><a href=\"%s\">%s</a></td>
-                        <td class=\"size\">%s</td>
-                        <td class=\"type\">%s</td>
-                        <td class=\"mtime\">%s</td>
-                      </tr>
-                     )
-      end
+      DIR_FILE = %(
+                    <tr>
+                      <td class=\"name\"><a href=\"%s\">%s</a></td>
+                      <td class=\"size\">%s</td>
+                      <td class=\"type\">%s</td>
+                      <td class=\"mtime\">%s</td>
+                    </tr>
+                   )
 
       def initialize(path, request, response, options)
         raise NotFound if Setting.plugin_redmine_dmsf['dmsf_webdav'].blank?