Locally re-run all the test files that failed during the last hydra run

gistfile1.rb

# locally run files that failed during hydra
Rake::TestTask.new("run_failed_files_locally") do |t|
  hydra_heuristics_file = "/tmp/hydra_heuristics.yml"
  report = YAML.load_file(hydra_heuristics_file) if File.exists? hydra_heuristics_file
  failed_files = []
  if report
    failed_files = report.select{|file,stats| stats["all_tests_passed_last_run"] == false}.map(&:first)
    failed_files = failed_files.select{|file| File.exists?(file)}
  end
  t.test_files = failed_files
end