cleanup_instance_resources

in spanner/spec/spec_helper.rb [70:80]

• 8 lines of code
• 3 McCabe index (conditional complexity)

  def cleanup_instance_resources
    return unless @created_instance_ids

    @created_instance_ids.each do |instance_id|
      instance = @spanner.instance instance_id
      instance.delete if instance
    end

    @created_instance_ids.clear
  end