class Minitest::Reporters::MeanTimeReporter

terminal.
outputs the parsed results to both the 'report_filename' and the
enhances it by storing the results to the 'previous_runs_filename' and
Runs the {Minitest::Reporters::DefaultReporter#report} method and then

def report
  super
  create_or_update_previous_runs!
  create_new_report!
  write_to_screen!
end