message: tests: Print remaining jobs in test_runner.py
  This helps finding out which tests fail to finish.
diff: @@ -477,6 +477,11 @@ class TestHandler:
  log_stderr))
  if not self.jobs:
  raise IndexError('pop from empty list')
  +
  + # Print remaining running jobs when all jobs have been started.
  + if not self.test_list:
  + print("Remaining jobs: [{}]".format(", ".join(j[0] for j in self.jobs)))
  +
  dot_count = 0
  while True:
  # Return first proc that finishes
  