cleanup test_dir, build_id = nil

in spec/e2e.rb [85:106]


    def cleanup test_dir, build_id = nil
      return nil unless ENV["E2E"]
      
      build_id ||= ENV["BUILD_ID"]
      if build_id.nil?
        output "you must pass a build ID or define ENV[\"BUILD_ID\"]"
        return 1
      end

      
      exec "gcloud app versions list --format=\"value(version.id)\" --filter=\"version.id~#{build_id}$\" | xargs -r gcloud app versions delete --quiet"

      
      if $CHILD_STATUS.to_i != 0
        output "Failed to delete e2e version"
        return $CHILD_STATUS.to_i
      end

      
      0
    end