This is a wdspec test.
[FAIL] test_no_browsing_context
AssertionError: assert 'no such element' == 'no such window'
[FAIL] test_no_such_element_with_shadow_root
assert 200 == 404
[FAIL] test_no_such_element_with_startnode_from_other_window_handle
AssertionError: assert 'stale element reference' == 'no such element'
[FAIL] test_no_such_element_with_startnode_from_other_frame
AssertionError: assert 'stale element reference' == 'no such element'
Harness: the test ran to completion.