Add multiple test selectors and evaluation framework

[prakash-aryan]

• Test Selectors:

  • Curvature-based selector
  • Graph-based selector
  • ML-based selector
  • Transformer-based selector

• Evaluation:

  • Custom run experiments script
  • Results directory
  • Evaluation framework updates

  for running all at once with evaluation :

  chmod +x run_experiments.sh ./run_experiments.sh

[ChristianBirchler]

Thanks a lot for your submission @prakash-aryan!