Improve CI builds fixtures

db/fixtures/development/14_builds.rb

 Gitlab::Seeder.quiet do
-  project = Project.first
+  Project.all.sample(5).each do |project|
     commits = project.repository.commits('master', nil, 10)
     commits_sha = commits.map { |commit| commit.raw.id }
     ci_commits = commits_sha.map do |sha|
@@ -7,6 +7,19 @@ Gitlab::Seeder.quiet do
     end
 
     ci_commits.each do |ci_commit|
-    ci_commit.create_builds('master', nil, User.first)
+      attributes = { type: 'Ci::Build', name: 'test build',
+                     commands: "$ build command", stage: 'test',
+                     stage_idx: 1, ref: 'master', user_id: User.first,
+                     gl_project_id: project.id, options: '---- opts',
+                     status: %w(running pending success failed canceled).sample,
+                     commit_id: ci_commit.id }
+
+      begin
+        Ci::Build.create!(attributes)
+        print '.'
+      rescue ActiveRecord::RecordInvalid
+        print 'F'
+      end
+    end
   end
 end