# File lib/parallel_tests.rb, line 68
  def self.summarize_results(results)
    results = results.join(' ').gsub(/s\b/,'') # combine and singularize results
    counts = results.scan(/(\d+) (\w+)/)
    sums = counts.inject(Hash.new(0)) do |sum, (number, word)|
      sum[word] += number.to_i
      sum
    end
    sums.sort.map{|word, number|  "#{number} #{word}#{'s' if number != 1}" }.join(', ')
  end