class Minitest::StatisticsReporter

def report
  aggregate = results.group_by { |r| r.failure.class }
  aggregate.default = [] # dumb. group_by should provide this
  self.total_time = Minitest.clock_time - start_time
  self.failures   = aggregate[Assertion].size
  self.errors     = aggregate[UnexpectedError].size
  self.warnings   = aggregate[UnexpectedWarning].size
  self.skips      = aggregate[Skip].size
end