Fix specs BACKPORT

app/controllers/projects/boards_controller.rb

@@ -22,7 +22,7 @@ class Projects::BoardsController < Projects::ApplicationController
   def assign_endpoint_vars
     @boards_endpoint = project_boards_url(project)
     @bulk_issues_path = bulk_update_project_issues_path(project)
-    @namespace_path = project.namespace.path
+    @namespace_path = project.namespace.full_path
     @labels_endpoint = project_labels_path(project)
   end
 

lib/gitlab/path_regex.rb

@@ -26,6 +26,7 @@ module Gitlab
       apple-touch-icon.png
       assets
       autocomplete
+      boards
       ci
       dashboard
       deploy.html