Limit test environment size to one project in CI

.gitlab-ci.yml

@@ -228,10 +228,10 @@ rake db:seed_fu:
   stage: test
   <<: *use-db
   variables:
+    SIZE: "1"
     SETUP_DB: "false"
-    RAILS_ENV: development
+    RAILS_ENV: "development"
   script:
-    - mkdir -p /home/git/repositories
     - git clone https://gitlab.com/gitlab-org/gitlab-test.git
        /home/git/repositories/gitlab-org/gitlab-test.git
     - bundle exec rake db:setup db:seed_fu

db/fixtures/development/04_project.rb

@@ -3,11 +3,11 @@ require 'sidekiq/testing'
 Sidekiq::Testing.inline! do
   Gitlab::Seeder.quiet do
     project_urls = [
-      'https://github.com/documentcloud/underscore.git',
+      'https://gitlab.com/gitlab-org/gitlab-test.git',
       'https://gitlab.com/gitlab-org/gitlab-ce.git',
       'https://gitlab.com/gitlab-org/gitlab-ci.git',
       'https://gitlab.com/gitlab-org/gitlab-shell.git',
-      'https://gitlab.com/gitlab-org/gitlab-test.git',
+      'https://github.com/documentcloud/underscore.git',
       'https://github.com/twitter/flight.git',
       'https://github.com/twitter/typeahead.js.git',
       'https://github.com/h5bp/html5-boilerplate.git',
@@ -38,12 +38,7 @@ Sidekiq::Testing.inline! do
     ]
     # You can specify how many projects you need during seed execution
-    size = if ENV['SIZE'].present?
-             ENV['SIZE'].to_i
-           else
-             8
-           end
-
+    size = ENV['SIZE'].present? ? ENV['SIZE'].to_i : 8
     project_urls.first(size).each_with_index do |url, i|
       group_path, project_path = url.split('/')[-2..-1]