This is a wdspec test.
[FAIL] test_no_such_shadow_root_with_unknown_id
AssertionError: assert 'no such element' == 'no such shadow root'
[FAIL] test_invalid_argument_for_window_with_invalid_type[None-frame]
assert 200 == 400
[FAIL] test_invalid_argument_for_window_with_invalid_type[None-window]
assert 200 == 400
[FAIL] test_invalid_argument_for_window_with_invalid_type[False-frame]
assert 200 == 400
[FAIL] test_invalid_argument_for_window_with_invalid_type[False-window]
assert 200 == 400
[FAIL] test_invalid_argument_for_window_with_invalid_type[42-frame]
assert 200 == 400
[FAIL] test_invalid_argument_for_window_with_invalid_type[42-window]
assert 200 == 400
[FAIL] test_invalid_argument_for_window_with_invalid_type[value3-frame]
assert 200 == 400
[FAIL] test_invalid_argument_for_window_with_invalid_type[value3-window]
assert 200 == 400
[FAIL] test_invalid_argument_for_window_with_invalid_type[value4-frame]
assert 200 == 400
[FAIL] test_invalid_argument_for_window_with_invalid_type[value4-window]
assert 200 == 400
[FAIL] test_no_such_window_for_window_with_invalid_value
AssertionError: javascript error (500): javascript error: circular reference
[FAIL] test_element_reference[frame]
AssertionError: javascript error (500): javascript error: circular reference
[FAIL] test_element_reference[window]
AssertionError: javascript error (500): javascript error: circular reference
Harness: the test ran to completion.