gecko-dev/testing/profiles/profiles.json

{
    "mochitest": ["common", "unittest"],
    "profileserver": ["common", "unittest"],
    "raptor": ["common", "perf", "raptor"],
    "reftest": ["reftest"],
    "talos": ["common", "perf"],
    "valgrind": ["common", "unittest"],
    "web-platform-tests": ["common", "unittest"]
}