src/third_party/web_platform_tests/tools/wptrunner/test/test.cfg.example

[general]
tests=/path/to/web-platform-tests/
metadata=/path/to/web-platform-tests/
ssl-type=none

# [firefox]
# binary=/path/to/firefox
# prefs-root=/path/to/gecko-src/testing/profiles/

# [servo]
# binary=/path/to/servo-src/target/release/servo
# exclude=testharness # Because it needs a special testharness.js

# [servodriver]
# binary=/path/to/servo-src/target/release/servo
# exclude=testharness # Because it needs a special testharness.js

# [chrome]
# binary=/path/to/chrome
# webdriver-binary=/path/to/chromedriver