src/third_party/web_platform_tests/html/infrastructure/common-dom-interfaces/collections/contains.json

[
    {
        "id": "htmlallcollection",
        "original_id": "htmlallcollection"
    },
    {
        "id": "htmlformcontrolscollection",
        "original_id": "htmlformcontrolscollection"
    },
    {
        "id": "htmloptionscollection",
        "original_id": "htmloptionscollection"
    }
]