Quarantine E2E test

https://gitlab.com/gitlab-org/gitlab/-/issues/283925

qa/qa/specs/features/browser_ui/1_manage/project/create_project_spec.rb

@@ -3,7 +3,9 @@
 module QA
   RSpec.describe 'Manage', :smoke do
     describe 'Project creation' do
-      it 'user creates a new project', testcase: 'https://gitlab.com/gitlab-org/quality/testcases/-/issues/429' do
+      it 'user creates a new project',
+         testcase: 'https://gitlab.com/gitlab-org/quality/testcases/-/issues/429',
+         quarantine: { issue: 'https://gitlab.com/gitlab-org/gitlab/-/issues/283925', type: :investigating } do
         Flow::Login.sign_in
 
         created_project = Resource::Project.fabricate_via_browser_ui! do |project|