zephyr/scripts/tests/twister_blackbox/test_data/twister-quarantine-list.yml

- scenarios:
  - dummy.agnostic.group1.subgroup1
  comment: >
    test all platforms    

- platforms:
  - frdm_k64f
  comment: >
    test frdm_k64f    

- scenarios:
  - dummy.agnostic.group1.subgroup2
  platforms:
  - qemu_x86_64
  comment: >
    test qemu_x86_64