+    def add_metadata_to_xml_node(el, osm, changeset_cache, user_display_name_cache)
+      el["changeset"] = osm.changeset_id.to_s
+      el["redacted"] = osm.redaction.id.to_s if osm.redacted?
+      el["timestamp"] = osm.timestamp.xmlschema
+      el["version"] = osm.version.to_s
+      el["visible"] = osm.visible.to_s
+
+      if changeset_cache.key?(osm.changeset_id)
+        # use the cache if available
+      else
+        changeset_cache[osm.changeset_id] = osm.changeset.user_id
+      end
+
+      user_id = changeset_cache[osm.changeset_id]
+
+      if user_display_name_cache.key?(user_id)
+        # use the cache if available
+      elsif osm.changeset.user.data_public?
+        user_display_name_cache[user_id] = osm.changeset.user.display_name
+      else
+        user_display_name_cache[user_id] = nil
+      end
+
+      unless user_display_name_cache[user_id].nil?
+        el["user"] = user_display_name_cache[user_id]
+        el["uid"] = user_id.to_s
+      end
+    end
+
+    def add_tags_to_xml_node(el, tags)
+      tags.each do |tag|
+        tag_el = XML::Node.new("tag")
+
+        tag_el["k"] = tag.k
+        tag_el["v"] = tag.v
+
+        el << tag_el
+      end
+    end
+
+    def with_settings(settings)
+      saved_settings = Settings.to_hash.slice(*settings.keys)
+
+      Settings.merge!(settings)
+
+      yield
+    ensure
+      Settings.merge!(saved_settings)
+    end
+
+    def with_user_account_deletion_delay(value, &)
+      freeze_time
+
+      with_settings(:user_account_deletion_delay => value, &)
+    ensure
+      unfreeze_time
+    end
+
+    # This is a convenience method for checks of resources rendered in a map view sidebar
+    # First we check that when we don't have an id, it will correctly return a 404
+    # then we check that we get the correct 404 when a non-existant id is passed
+    # then we check that it will get a successful response, when we do pass an id
+    def sidebar_browse_check(path, id, template)
+      path_method = method(path)
+
+      assert_raise ActionController::UrlGenerationError do
+        get path_method.call
+      end
+
+      assert_raise ActionController::UrlGenerationError do
+        get path_method.call(:id => -10) # we won't have an id that's negative
+      end
+
+      get path_method.call(:id => 0)
+      assert_response :not_found
+      assert_template "browse/not_found"
+      assert_template :layout => "map"
+
+      get path_method.call(:id => 0), :xhr => true
+      assert_response :not_found
+      assert_template "browse/not_found"
+      assert_template :layout => "xhr"
+
+      get path_method.call(:id => id)
+      assert_response :success
+      assert_template template
+      assert_template :layout => "map"
+
+      get path_method.call(:id => id), :xhr => true
+      assert_response :success
+      assert_template template
+      assert_template :layout => "xhr"