def frozen_time
      ::RSpec.configure do |config|
        config.around(frozen_time: true) { |ex| Timecop.freeze { ex.run } }
      end
    end
def frozen_time
      ::RSpec.configure do |config|
        config.around(frozen_time: true) { |ex| Timecop.freeze { ex.run } }
      end
    end
Freeze time for specs with `:frozen_time` metadata.