This is a testharness.js-based test.
[FAIL] SPC authentication ceremony in cross-origin iframe
  promise_test: Unhandled rejection with value: "error: Action add_virtual_authenticator failed: invalid argument (400): invalid argument: Chrome only supports one internal authenticator per environment\\n  (Session info: chrome=140.0.7296.0)\\n\\nRemote-end stacktrace:\\n\\n\\tbase::debug::CollectStackTrace [0x0x7ff7094a781c+32] (o:\\\\base\\\\debug\\\\stack_trace_win.cc:326)\\n\\tbase::debug::StackTrace::StackTrace [0x0x7ff7094a2278+80] (o:\\\\base\\\\debug\\\\stack_trace.cc:250)\\n\\tStatus::Status [0x0x7ff708ec15bc+224] (o:\\\\chrome\\\\test\\\\chromedriver\\\\chrome\\\\status.cc:97)\\n\\tinternal::ParseInspectorError [0x0x7ff708eafa74+1456] (o:\\\\chrome\\\\test\\\\chromedriver\\\\chrome\\\\devtools_client_impl.cc:1525)\\n\\tDevToolsClientImpl::SendCommandInternal [0x0x7ff708eae31c+4052] (o:\\\\chrome\\\\test\\\\chromedriver\\\\chrome\\\\devtools_client_impl.cc:975)\\n\\tDevToolsClientImpl::SendCommandAndGetResultWithTimeout [0x0x7ff708eae664+148] (o:\\\\chrome\\\\test\\\\chromedriver\\\\chrome\\\\devtools_client_impl.cc:690)\\n\\tWebViewImpl::SendCommandAndGetResult [0x0x7ff708ec5f70+144] (o:\\\\chrome\\\\test\\\\chromedriver\\\\chrome\\\\web_view_impl.cc:864)\\n\\tExecuteAddVirtualAuthenticator [0x0x7ff708f428ac+1852] (o:\\\\chrome\\\\test\\\\chromedriver\\\\webauthn_commands.cc:163)\\n\\tbase::RepeatingCallback<Status (Session *, const base::DictValue &, std::__Cr::unique_ptr<base::Value,std::__Cr::default_delete<base::Value> > *)>::Run [0x0x7ff708efc440+140] (o:\\\\base\\\\functional\\\\callback.h:345)\\n\\tExecuteWebAuthnCommand [0x0x7ff708f420f8+600] (o:\\\\chrome\\\\test\\\\chromedriver\\\\webauthn_commands.cc:103)\\n\\tbase::RepeatingCallback<Status (Session *, const base::DictValue &, std::__Cr::unique_ptr<base::Value,std::__Cr::default_delete<base::Value> > *)>::Run [0x0x7ff708efc440+140] (o:\\\\base\\\\functional\\\\callback.h:345)\\n\\t`anonymous namespace'::ExecuteSessionCommandOnSessionThread [0x0x7ff708efb5f8+856] (o:\\\\chrome\\\\test\\\\chromedriver\\\\commands.cc:308)\\n\\tbase::internal::Invoker<base::internal::FunctorTraits<void (*&&)(const char *, const std::__Cr::basic_string<char,std::__Cr::char_traits<char>,std::__Cr::allocator<char> > &, const base::RepeatingCallback<Status (Session *, const base::DictValue &, std::_ [0x0x7ff708efc1d8+104] (o:\\\\base\\\\functional\\\\bind_internal.h:973)\\n\\tbase::TaskAnnotator::RunTaskImpl [0x0x7ff7094468a8+368] (o:\\\\base\\\\task\\\\common\\\\task_annotator.cc:207)\\n\\tbase::sequence_manager::internal::ThreadControllerWithMessagePumpImpl::DoWorkImpl [0x0x7ff70946b4dc+916] (o:\\\\base\\\\task\\\\sequence_manager\\\\thread_controller_with_message_pump_impl.cc:456)\\n\\tbase::sequence_manager::internal::ThreadControllerWithMessagePumpImpl::DoWork [0x0x7ff70946afcc+140] (o:\\\\base\\\\task\\\\sequence_manager\\\\thread_controller_with_message_pump_impl.cc:335)\\n\\tbase::MessagePumpDefault::Run [0x0x7ff70944a050+160] (o:\\\\base\\\\message_loop\\\\message_pump_default.cc:44)\\n\\tbase::sequence_manager::internal::ThreadControllerWithMessagePumpImpl::Run [0x0x7ff70946bd80+368] (o:\\\\base\\\\task\\\\sequence_manager\\\\thread_controller_with_message_pump_impl.cc:632)\\n\\tbase::RunLoop::Run [0x0x7ff7094361b8+496] (o:\\\\base\\\\run_loop.cc:136)\\n\\tbase::Thread::Run [0x0x7ff7094913a8+72] (o:\\\\base\\\\threading\\\\thread.cc:351)\\n\\tbase::Thread::ThreadMain [0x0x7ff7094915b0+464] (o:\\\\base\\\\threading\\\\thread.cc:429)\\n\\tbase::`anonymous namespace'::ThreadFunc [0x0x7ff7094b8d94+372] (o:\\\\base\\\\threading\\\\platform_thread_win.cc:116)\\n\\tBaseThreadInitThunk [0x0x7fffdee422d0+48]\\n\\tRtlUserThreadStart [0x0x7fffe0775b9c+60]"
[FAIL] SPC authentication ceremony in cross-origin iframe without payment permission
  promise_test: Unhandled rejection with value: "error: Action add_virtual_authenticator failed: invalid argument (400): invalid argument: Chrome only supports one internal authenticator per environment\\n  (Session info: chrome=140.0.7296.0)\\n\\nRemote-end stacktrace:\\n\\n\\tbase::debug::CollectStackTrace [0x0x7ff7094a781c+32] (o:\\\\base\\\\debug\\\\stack_trace_win.cc:326)\\n\\tbase::debug::StackTrace::StackTrace [0x0x7ff7094a2278+80] (o:\\\\base\\\\debug\\\\stack_trace.cc:250)\\n\\tStatus::Status [0x0x7ff708ec15bc+224] (o:\\\\chrome\\\\test\\\\chromedriver\\\\chrome\\\\status.cc:97)\\n\\tinternal::ParseInspectorError [0x0x7ff708eafa74+1456] (o:\\\\chrome\\\\test\\\\chromedriver\\\\chrome\\\\devtools_client_impl.cc:1525)\\n\\tDevToolsClientImpl::SendCommandInternal [0x0x7ff708eae31c+4052] (o:\\\\chrome\\\\test\\\\chromedriver\\\\chrome\\\\devtools_client_impl.cc:975)\\n\\tDevToolsClientImpl::SendCommandAndGetResultWithTimeout [0x0x7ff708eae664+148] (o:\\\\chrome\\\\test\\\\chromedriver\\\\chrome\\\\devtools_client_impl.cc:690)\\n\\tWebViewImpl::SendCommandAndGetResult [0x0x7ff708ec5f70+144] (o:\\\\chrome\\\\test\\\\chromedriver\\\\chrome\\\\web_view_impl.cc:864)\\n\\tExecuteAddVirtualAuthenticator [0x0x7ff708f428ac+1852] (o:\\\\chrome\\\\test\\\\chromedriver\\\\webauthn_commands.cc:163)\\n\\tbase::RepeatingCallback<Status (Session *, const base::DictValue &, std::__Cr::unique_ptr<base::Value,std::__Cr::default_delete<base::Value> > *)>::Run [0x0x7ff708efc440+140] (o:\\\\base\\\\functional\\\\callback.h:345)\\n\\tExecuteWebAuthnCommand [0x0x7ff708f420f8+600] (o:\\\\chrome\\\\test\\\\chromedriver\\\\webauthn_commands.cc:103)\\n\\tbase::RepeatingCallback<Status (Session *, const base::DictValue &, std::__Cr::unique_ptr<base::Value,std::__Cr::default_delete<base::Value> > *)>::Run [0x0x7ff708efc440+140] (o:\\\\base\\\\functional\\\\callback.h:345)\\n\\t`anonymous namespace'::ExecuteSessionCommandOnSessionThread [0x0x7ff708efb5f8+856] (o:\\\\chrome\\\\test\\\\chromedriver\\\\commands.cc:308)\\n\\tbase::internal::Invoker<base::internal::FunctorTraits<void (*&&)(const char *, const std::__Cr::basic_string<char,std::__Cr::char_traits<char>,std::__Cr::allocator<char> > &, const base::RepeatingCallback<Status (Session *, const base::DictValue &, std::_ [0x0x7ff708efc1d8+104] (o:\\\\base\\\\functional\\\\bind_internal.h:973)\\n\\tbase::TaskAnnotator::RunTaskImpl [0x0x7ff7094468a8+368] (o:\\\\base\\\\task\\\\common\\\\task_annotator.cc:207)\\n\\tbase::sequence_manager::internal::ThreadControllerWithMessagePumpImpl::DoWorkImpl [0x0x7ff70946b4dc+916] (o:\\\\base\\\\task\\\\sequence_manager\\\\thread_controller_with_message_pump_impl.cc:456)\\n\\tbase::sequence_manager::internal::ThreadControllerWithMessagePumpImpl::DoWork [0x0x7ff70946afcc+140] (o:\\\\base\\\\task\\\\sequence_manager\\\\thread_controller_with_message_pump_impl.cc:335)\\n\\tbase::MessagePumpDefault::Run [0x0x7ff70944a050+160] (o:\\\\base\\\\message_loop\\\\message_pump_default.cc:44)\\n\\tbase::sequence_manager::internal::ThreadControllerWithMessagePumpImpl::Run [0x0x7ff70946bd80+368] (o:\\\\base\\\\task\\\\sequence_manager\\\\thread_controller_with_message_pump_impl.cc:632)\\n\\tbase::RunLoop::Run [0x0x7ff7094361b8+496] (o:\\\\base\\\\run_loop.cc:136)\\n\\tbase::Thread::Run [0x0x7ff7094913a8+72] (o:\\\\base\\\\threading\\\\thread.cc:351)\\n\\tbase::Thread::ThreadMain [0x0x7ff7094915b0+464] (o:\\\\base\\\\threading\\\\thread.cc:429)\\n\\tbase::`anonymous namespace'::ThreadFunc [0x0x7ff7094b8d94+372] (o:\\\\base\\\\threading\\\\platform_thread_win.cc:116)\\n\\tBaseThreadInitThunk [0x0x7fffdee422d0+48]\\n\\tRtlUserThreadStart [0x0x7fffe0775b9c+60]"
Harness: the test ran to completion.