chromium/third_party/blink/web_tests/external/wpt/html/semantics/forms/the-fieldset-element/WEB_FEATURES.yml

features:
- name: constraint-validation
  files:
  - fieldset-checkvalidity.html
  - fieldset-setcustomvalidity.html
  - fieldset-validationmessage.html
  - fieldset-validity.html
  - fieldset-willvalidate.html