class ParallelTests::CLI

def pluralize(n, singular) 

def pluralize(n, singular)
  if n == 1
    "1 #{singular}"
  elsif singular.end_with?('s', 'sh', 'ch', 'x', 'z')
    "#{n} #{singular}es"
  else
    "#{n} #{singular}s"
  end
end