diff --git a/modules/storages/config/routes.rb b/modules/storages/config/routes.rb
index ccd604f102..264078ab71 100644
--- a/modules/storages/config/routes.rb
+++ b/modules/storages/config/routes.rb
@@ -5,7 +5,8 @@ OpenProject::Application.routes.draw do
 
   scope 'projects/:project_id', as: 'project' do
     namespace 'settings' do
-      resources :projects_storages, controller: '/storages/admin/projects_storages'
+      resources :projects_storages, controller: '/storages/admin/projects_storages',
+                                    except: %i[show update]
     end
   end
 end
diff --git a/modules/storages/spec/permissions/manage_storage_in_project_spec.rb b/modules/storages/spec/permissions/manage_storage_in_project_spec.rb
index 266f08141e..0aa6b6a124 100644
--- a/modules/storages/spec/permissions/manage_storage_in_project_spec.rb
+++ b/modules/storages/spec/permissions/manage_storage_in_project_spec.rb
@@ -29,8 +29,10 @@
 require 'spec_helper'
 require 'support/permission_specs'
 
-# describe Storages::BlaBlaController, 'manage_storage_in_proejct permission', type: :controller do
-#   include PermissionSpecs
-#
-#   check_permission_required_for('team_planner/team_planner#index', :view_team_planner)
-# end
+describe Storages::Admin::ProjectsStoragesController, 'manage_storage_in_project permission', type: :controller do
+  include PermissionSpecs
+
+  controller_actions.each do |action|
+    check_permission_required_for("#{described_class.controller_path}##{action}", :manage_storages_in_project)
+  end
+end
diff --git a/spec/controllers/news_controller_spec.rb b/spec/controllers/news_controller_spec.rb
index 1b73810a9a..80e4fd040f 100644
--- a/spec/controllers/news_controller_spec.rb
+++ b/spec/controllers/news_controller_spec.rb
@@ -101,7 +101,7 @@ describe NewsController, type: :controller do
   describe '#create' do
     context 'with news_added notifications' do
       it 'persists a news item' do
-        become_member_with_permissions(project, user)
+        become_member(project, user)
 
         post :create,
              params: {
diff --git a/spec/support/permission_specs.rb b/spec/support/permission_specs.rb
index e02657b693..9a58404171 100644
--- a/spec/support/permission_specs.rb
+++ b/spec/support/permission_specs.rb
@@ -36,17 +36,29 @@ module PermissionSpecs
 
       include BecomeMember
 
+      # returns actions defined in routes and controller code for the described
+      # controller class
+      def self.controller_actions
+        Rails.application.routes.routes
+          .map(&:defaults)
+          .select { _1[:controller] == described_class.controller_path }
+          .pluck(:action)
+          .uniq
+          .select { described_class.action_methods.include?(_1) }
+          .sort
+      end
+
       def self.check_permission_required_for(controller_action, permission)
         controller_name, action_name = controller_action.split('#')
 
-        it "should allow calling #{controller_action} when having the permission #{permission} permission" do
+        it "allows calling #{controller_action} when having the permission #{permission}" do
           become_member_with_permissions(project, current_user, permission)
 
           expect(controller.send(:authorize, controller_name, action_name)).to be_truthy
         end
 
-        it "should prevent calling #{controller_action} when not having the permission #{permission} permission" do
-          become_member_with_permissions(project, current_user)
+        it "prevents calling #{controller_action} when not having the permission #{permission}" do
+          become_member(project, current_user)
 
           expect(controller.send(:authorize, controller_name, action_name)).to be_falsey
         end
diff --git a/spec/support/shared/become_member.rb b/spec/support/shared/become_member.rb
index b1609bea85..515d60a421 100644
--- a/spec/support/shared/become_member.rb
+++ b/spec/support/shared/become_member.rb
@@ -32,12 +32,16 @@ module BecomeMember
   end
 
   module InstanceMethods
-    def become_member_with_permissions(project, user, permissions = [])
+    def become_member_with_permissions(project, user, permissions)
       role = create :role, permissions: Array(permissions)
 
       add_user_to_project! user: user, project: project, role: role
     end
 
+    def become_member(project, user)
+      become_member_with_permissions(project, user, [])
+    end
+
     def add_user_to_project!(user:, project:, role: nil, permissions: nil)
       role ||= create :existing_role, permissions: Array(permissions)
       create :member, principal: user, project: project, roles: [role]