Tests hidden node name computation as part of the #comp_labelledby portion of the AccName Name Computation algorithm.

Testing with display:none

foo foo

Testing with visibility:hidden

foo foo

Testing with visibility:collapse

foo bar foo bar baz foo bar baz foo bar baz foo bar baz foo bar baz

Testing with aria-hidden

foo

Testing with hidden attribute

foo foo

Summary

Harness status: OK

Found 27 tests

Details

ResultTest NameMessage
Failbutton with aria-labelledby using display:none hidden span (with nested span)promise_test: Unhandled rejection with value: object "TypeError: window.test_driver_internal.get_computed_label is not a function"
Error
    at get_stack (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4617:21)
    at new AssertionError (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4610:22)
    at assert (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4594:19)
    at Test.<anonymous> (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:764:29)
    at Test.step (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:2684:25)
    at https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:2731:35
Asserts runNo asserts ran
Failbutton with aria-labelledby using display:none hidden span (with nested spans, depth 2)promise_test: Unhandled rejection with value: object "TypeError: window.test_driver_internal.get_computed_label is not a function"
Error
    at get_stack (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4617:21)
    at new AssertionError (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4610:22)
    at assert (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4594:19)
    at Test.<anonymous> (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:764:29)
    at Test.step (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:2684:25)
    at https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:2731:35
Asserts runNo asserts ran
Failbutton with aria-labelledby using span without display:none (with nested display:none spans, depth 2)promise_test: Unhandled rejection with value: object "TypeError: window.test_driver_internal.get_computed_label is not a function"
Error
    at get_stack (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4617:21)
    at new AssertionError (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4610:22)
    at assert (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4594:19)
    at Test.<anonymous> (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:764:29)
    at Test.step (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:2684:25)
    at https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:2731:35
Asserts runNo asserts ran
Failbutton with aria-labelledby using display:none hidden span (with nested sibling spans)promise_test: Unhandled rejection with value: object "TypeError: window.test_driver_internal.get_computed_label is not a function"
Error
    at get_stack (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4617:21)
    at new AssertionError (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4610:22)
    at assert (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4594:19)
    at Test.<anonymous> (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:764:29)
    at Test.step (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:2684:25)
    at https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:2731:35
Asserts runNo asserts ran
Failbutton with aria-labelledby using span without display:none (with nested display:none sibling spans)promise_test: Unhandled rejection with value: object "TypeError: window.test_driver_internal.get_computed_label is not a function"
Error
    at get_stack (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4617:21)
    at new AssertionError (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4610:22)
    at assert (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4594:19)
    at Test.<anonymous> (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:764:29)
    at Test.step (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:2684:25)
    at https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:2731:35
Asserts runNo asserts ran
Failbutton with aria-labelledby using span with display:none (with nested display:inline sibling spans)promise_test: Unhandled rejection with value: object "TypeError: window.test_driver_internal.get_computed_label is not a function"
Error
    at get_stack (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4617:21)
    at new AssertionError (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4610:22)
    at assert (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4594:19)
    at Test.<anonymous> (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:764:29)
    at Test.step (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:2684:25)
    at https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:2731:35
Asserts runNo asserts ran
Failbutton with aria-labelledby using visibility:hidden span (with nested span)promise_test: Unhandled rejection with value: object "TypeError: window.test_driver_internal.get_computed_label is not a function"
Error
    at get_stack (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4617:21)
    at new AssertionError (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4610:22)
    at assert (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4594:19)
    at Test.<anonymous> (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:764:29)
    at Test.step (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:2684:25)
    at https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:2731:35
Asserts runNo asserts ran
Failbutton with aria-labelledby using visibility:hidden span (with nested spans, depth 2)promise_test: Unhandled rejection with value: object "TypeError: window.test_driver_internal.get_computed_label is not a function"
Error
    at get_stack (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4617:21)
    at new AssertionError (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4610:22)
    at assert (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4594:19)
    at Test.<anonymous> (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:764:29)
    at Test.step (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:2684:25)
    at https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:2731:35
Asserts runNo asserts ran
Failbutton with aria-labelledby using span without visibility:hidden (with nested visibility:hidden spans, depth 2)promise_test: Unhandled rejection with value: object "TypeError: window.test_driver_internal.get_computed_label is not a function"
Error
    at get_stack (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4617:21)
    at new AssertionError (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4610:22)
    at assert (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4594:19)
    at Test.<anonymous> (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:764:29)
    at Test.step (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:2684:25)
    at https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:2731:35
Asserts runNo asserts ran
Failbutton with aria-labelledby using visibility:hidden hidden span (with nested sibling spans)promise_test: Unhandled rejection with value: object "TypeError: window.test_driver_internal.get_computed_label is not a function"
Error
    at get_stack (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4617:21)
    at new AssertionError (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4610:22)
    at assert (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4594:19)
    at Test.<anonymous> (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:764:29)
    at Test.step (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:2684:25)
    at https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:2731:35
Asserts runNo asserts ran
Failbutton with aria-labelledby using span without visibility:hidden (with nested visibility:hidden sibling spans)promise_test: Unhandled rejection with value: object "TypeError: window.test_driver_internal.get_computed_label is not a function"
Error
    at get_stack (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4617:21)
    at new AssertionError (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4610:22)
    at assert (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4594:19)
    at Test.<anonymous> (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:764:29)
    at Test.step (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:2684:25)
    at https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:2731:35
Asserts runNo asserts ran
Failbutton with aria-labelledby using span with visibility:hidden (with nested visibility:visible sibling spans)promise_test: Unhandled rejection with value: object "TypeError: window.test_driver_internal.get_computed_label is not a function"
Error
    at get_stack (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4617:21)
    at new AssertionError (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4610:22)
    at assert (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4594:19)
    at Test.<anonymous> (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:764:29)
    at Test.step (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:2684:25)
    at https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:2731:35
Asserts runNo asserts ran
Failbutton with aria-labelledby using visibility:collapse span (with nested span)promise_test: Unhandled rejection with value: object "TypeError: window.test_driver_internal.get_computed_label is not a function"
Error
    at get_stack (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4617:21)
    at new AssertionError (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4610:22)
    at assert (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4594:19)
    at Test.<anonymous> (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:764:29)
    at Test.step (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:2684:25)
    at https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:2731:35
Asserts runNo asserts ran
Failbutton with aria-labelledby using visibility:collapse span (with nested spans, depth 2)promise_test: Unhandled rejection with value: object "TypeError: window.test_driver_internal.get_computed_label is not a function"
Error
    at get_stack (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4617:21)
    at new AssertionError (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4610:22)
    at assert (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4594:19)
    at Test.<anonymous> (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:764:29)
    at Test.step (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:2684:25)
    at https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:2731:35
Asserts runNo asserts ran
Failbutton with aria-labelledby using span without visibility:collapse (with nested visibility:visible spans, depth 2)promise_test: Unhandled rejection with value: object "TypeError: window.test_driver_internal.get_computed_label is not a function"
Error
    at get_stack (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4617:21)
    at new AssertionError (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4610:22)
    at assert (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4594:19)
    at Test.<anonymous> (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:764:29)
    at Test.step (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:2684:25)
    at https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:2731:35
Asserts runNo asserts ran
Failbutton with aria-labelledby using visibility:collapse span (with nested sibling spans)promise_test: Unhandled rejection with value: object "TypeError: window.test_driver_internal.get_computed_label is not a function"
Error
    at get_stack (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4617:21)
    at new AssertionError (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4610:22)
    at assert (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4594:19)
    at Test.<anonymous> (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:764:29)
    at Test.step (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:2684:25)
    at https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:2731:35
Asserts runNo asserts ran
Failbutton with aria-labelledby using span without visibility:collapse (with nested visibility:collapse sibling spans)promise_test: Unhandled rejection with value: object "TypeError: window.test_driver_internal.get_computed_label is not a function"
Error
    at get_stack (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4617:21)
    at new AssertionError (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4610:22)
    at assert (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4594:19)
    at Test.<anonymous> (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:764:29)
    at Test.step (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:2684:25)
    at https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:2731:35
Asserts runNo asserts ran
Failbutton with aria-labelledby using span with visibility:collapse (with nested visible sibling spans)promise_test: Unhandled rejection with value: object "TypeError: window.test_driver_internal.get_computed_label is not a function"
Error
    at get_stack (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4617:21)
    at new AssertionError (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4610:22)
    at assert (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4594:19)
    at Test.<anonymous> (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:764:29)
    at Test.step (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:2684:25)
    at https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:2731:35
Asserts runNo asserts ran
Failbutton with aria-labelledby using aria-hidden span (with nested span)promise_test: Unhandled rejection with value: object "TypeError: window.test_driver_internal.get_computed_label is not a function"
Error
    at get_stack (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4617:21)
    at new AssertionError (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4610:22)
    at assert (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4594:19)
    at Test.<anonymous> (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:764:29)
    at Test.step (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:2684:25)
    at https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:2731:35
Asserts runNo asserts ran
Failbutton with aria-labelledby using aria-hidden span (with nested spans, depth 2)promise_test: Unhandled rejection with value: object "TypeError: window.test_driver_internal.get_computed_label is not a function"
Error
    at get_stack (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4617:21)
    at new AssertionError (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4610:22)
    at assert (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4594:19)
    at Test.<anonymous> (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:764:29)
    at Test.step (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:2684:25)
    at https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:2731:35
Asserts runNo asserts ran
Failbutton with aria-labelledby using span without aria-hidden (with nested aria-hidden spans, depth 2)promise_test: Unhandled rejection with value: object "TypeError: window.test_driver_internal.get_computed_label is not a function"
Error
    at get_stack (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4617:21)
    at new AssertionError (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4610:22)
    at assert (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4594:19)
    at Test.<anonymous> (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:764:29)
    at Test.step (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:2684:25)
    at https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:2731:35
Asserts runNo asserts ran
Failbutton with aria-labelledby using aria-hidden hidden span (with nested sibling spans)promise_test: Unhandled rejection with value: object "TypeError: window.test_driver_internal.get_computed_label is not a function"
Error
    at get_stack (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4617:21)
    at new AssertionError (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4610:22)
    at assert (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4594:19)
    at Test.<anonymous> (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:764:29)
    at Test.step (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:2684:25)
    at https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:2731:35
Asserts runNo asserts ran
Failbutton with aria-labelledby using HTML5 hidden span (with nested span)promise_test: Unhandled rejection with value: object "TypeError: window.test_driver_internal.get_computed_label is not a function"
Error
    at get_stack (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4617:21)
    at new AssertionError (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4610:22)
    at assert (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4594:19)
    at Test.<anonymous> (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:764:29)
    at Test.step (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:2684:25)
    at https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:2731:35
Asserts runNo asserts ran
Failbutton with aria-labelledby using HTML5 hidden span (with nested spans, depth 2)promise_test: Unhandled rejection with value: object "TypeError: window.test_driver_internal.get_computed_label is not a function"
Error
    at get_stack (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4617:21)
    at new AssertionError (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4610:22)
    at assert (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4594:19)
    at Test.<anonymous> (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:764:29)
    at Test.step (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:2684:25)
    at https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:2731:35
Asserts runNo asserts ran
Failbutton with aria-labelledby using span without HTML5 hidden (with nested HTML5 hidden spans, depth 2)promise_test: Unhandled rejection with value: object "TypeError: window.test_driver_internal.get_computed_label is not a function"
Error
    at get_stack (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4617:21)
    at new AssertionError (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4610:22)
    at assert (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4594:19)
    at Test.<anonymous> (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:764:29)
    at Test.step (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:2684:25)
    at https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:2731:35
Asserts runNo asserts ran
Failbutton with aria-labelledby using HTML5 hidden span (with nested hidden sibling spans)promise_test: Unhandled rejection with value: object "TypeError: window.test_driver_internal.get_computed_label is not a function"
Error
    at get_stack (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4617:21)
    at new AssertionError (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4610:22)
    at assert (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4594:19)
    at Test.<anonymous> (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:764:29)
    at Test.step (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:2684:25)
    at https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:2731:35
Asserts runNo asserts ran
Failbutton with aria-labelledby using span without HTML5 hidden (with nested hidden sibling spans)promise_test: Unhandled rejection with value: object "TypeError: window.test_driver_internal.get_computed_label is not a function"
Error
    at get_stack (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4617:21)
    at new AssertionError (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4610:22)
    at assert (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:4594:19)
    at Test.<anonymous> (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:764:29)
    at Test.step (https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:2684:25)
    at https://xn--n8j6ds53lwwkrqhv28a.wpt.live/resources/testharness.js:2731:35
Asserts runNo asserts ran