old_contents: import sys
  import unittest
  
  # from tests.compare_with_openml import compare_with_openml
  # from tests.data.compute_dataset_metafeatures import compute_dataset_metafeatures
  # from tests.benchmark_metafeatures import (
  #     run_metafeature_benchmark, compare_metafeature_benchmarks
  # )
  
  if __name__ == '__main__':
      # Compare our mfs to openml's mfs
      # compare_with_openml(10)
  
      # Run benchmarks
      # compute_dataset_metafeatures()
      # run_metafeature_benchmark("start")
      # run_metafeature_benchmark("end")
      # compare_metafeature_benchmarks("start", "end")
  
      # Run unit tests
      runner = unittest.TextTestRunner(verbosity=1)
      tests = unittest.TestLoader().discover('tests')
      if not runner.run(tests).wasSuccessful():
          sys.exit(1)
  
new_contents: import sys
  import unittest
  
  # from tests.compare_with_openml import compare_with_openml
  # from tests.data.compute_dataset_metafeatures import compute_dataset_metafeatures
  # from tests.benchmark_metafeatures import (
  #     run_metafeature_benchmark, compare_metafeature_benchmarks
  # )
  
  if __name__ == '__main__':
      # Compare our mfs to openml's mfs
      # compare_with_openml(n_datasets=10)
  
      # Benchmark against another version of the code
      # run_metafeature_benchmark("start") # Run this on the branch or commit you want to benchmark against...
      # run_metafeature_benchmark("end") # ...then run this on the branch or commit you've been developing
      # compare_metafeature_benchmarks("start", "end")
  
      # Run unit tests
      runner = unittest.TextTestRunner(verbosity=1)
      tests = unittest.TestLoader().discover('tests')
      if not runner.run(tests).wasSuccessful():
          sys.exit(1)
  
      # Compute Metafeatures
      # compute_dataset_metafeatures()
  
subject: Make run_tests.py comments more clear