Set PYTHONWARNDEFAULTENCODING=1 for tests

[The-Compiler]

See:

• PEP 597 – Add optional EncodingWarning | peps.python.org
• Please try PYTHONWARNDEFAULTENCODING (PEP 597) - Python Help - Discussions on Python.org

With pytest-dev/pytest#10935, the next pytest release will pass cleanly. A run with the current main branch results in:

FAILED tests/end2end/test_invocations.py::test_misconfigured_user_dirs - EncodingWarning: 'encoding' argument not specified
FAILED tests/end2end/test_invocations.py::test_webengine_download_suffix - EncodingWarning: 'encoding' argument not specified
FAILED tests/end2end/test_invocations.py::test_loading_empty_session - EncodingWarning: 'encoding' argument not specified
FAILED tests/end2end/test_invocations.py::test_service_worker_workaround[Qt version changed] - EncodingWarning: 'encoding' argument not specified
FAILED tests/end2end/features/test_downloads_bdd.py::test_select_download_path - EncodingWarning: 'encoding' argument not specified
FAILED tests/end2end/features/test_downloads_bdd.py::test_no_download_folder_chosen - end2end.fixtures.testprocess.WaitForTimeout: Timed out after 5000ms waiting for {'category': 'message', 'loglevel': 20, 'message': 'No folder chosen.'}.
FAILED tests/end2end/features/test_editor_bdd.py::test_editing_a_url - EncodingWarning: 'encoding' argument not specified
FAILED tests/end2end/features/test_editor_bdd.py::test_editing_a_url_with_t - EncodingWarning: 'encoding' argument not specified
FAILED tests/end2end/features/test_editor_bdd.py::test_editing_a_url_with_rt - EncodingWarning: 'encoding' argument not specified
FAILED tests/end2end/features/test_editor_bdd.py::test_editing_a_url_with_b - EncodingWarning: 'encoding' argument not specified
FAILED tests/end2end/features/test_editor_bdd.py::test_editing_a_url_with_w - EncodingWarning: 'encoding' argument not specified
FAILED tests/end2end/features/test_editor_bdd.py::test_editing_a_url_with_p - EncodingWarning: 'encoding' argument not specified
FAILED tests/end2end/features/test_editor_bdd.py::test_editing_a_url_with_invalid_url - EncodingWarning: 'encoding' argument not specified
FAILED tests/end2end/features/test_editor_bdd.py::test_spawning_an_editor_successfully - EncodingWarning: 'encoding' argument not specified
FAILED tests/end2end/features/test_editor_bdd.py::test_spawning_an_editor_in_normal_mode - EncodingWarning: 'encoding' argument not specified
FAILED tests/end2end/features/test_editor_bdd.py::test_spawning_an_editor_and_closing_the_tab - EncodingWarning: 'encoding' argument not specified
FAILED tests/end2end/features/test_editor_bdd.py::test_spawning_an_editor_and_saving - EncodingWarning: 'encoding' argument not specified
FAILED tests/end2end/features/test_editor_bdd.py::test_spawning_an_editor_in_caret_mode - EncodingWarning: 'encoding' argument not specified
FAILED tests/end2end/features/test_editor_bdd.py::test_spawning_an_editor_with_existing_text - EncodingWarning: 'encoding' argument not specified
FAILED tests/end2end/features/test_editor_bdd.py::test_edit_a_command_and_run_it - EncodingWarning: 'encoding' argument not specified
FAILED tests/end2end/features/test_editor_bdd.py::test_edit_a_command_and_omit_the_start_char - EncodingWarning: 'encoding' argument not specified
FAILED tests/end2end/features/test_editor_bdd.py::test_edit_a_command_to_be_empty - EncodingWarning: 'encoding' argument not specified
FAILED tests/end2end/features/test_editor_bdd.py::test_select_one_file_with_single_file_command - EncodingWarning: 'encoding' argument not specified
FAILED tests/end2end/features/test_editor_bdd.py::test_select_one_file_with_single_file_command_that_writes_to_stdout - EncodingWarning: 'encoding' argument not specified
FAILED tests/end2end/features/test_editor_bdd.py::test_select_two_files_with_single_file_command - EncodingWarning: 'encoding' argument not specified
FAILED tests/end2end/features/test_editor_bdd.py::test_select_one_file_with_multiple_files_command - EncodingWarning: 'encoding' argument not specified
FAILED tests/end2end/features/test_editor_bdd.py::test_select_two_files_with_multiple_files_command - EncodingWarning: 'encoding' argument not specified
FAILED tests/end2end/features/test_editor_bdd.py::test_file_selector_deleting_temporary_file - end2end.fixtures.testprocess.WaitForTimeout: Timed out after 5000ms waiting for {'category': 'message', 'loglevel': 40, 'message': 'Failed to open tempfile *'}.
FAILED tests/end2end/features/test_editor_bdd.py::test_select_nonexistent_file - EncodingWarning: 'encoding' argument not specified
FAILED tests/end2end/features/test_editor_bdd.py::test_select_folder_for_file - EncodingWarning: 'encoding' argument not specified
FAILED tests/end2end/features/test_editor_bdd.py::test_select_file_for_folder - EncodingWarning: 'encoding' argument not specified
FAILED tests/end2end/features/test_editor_bdd.py::test_select_one_folder_with_folder_command - EncodingWarning: 'encoding' argument not specified
FAILED tests/end2end/features/test_private_bdd.py::test_skipping_private_window_when_saving_session - EncodingWarning: 'encoding' argument not specified
FAILED tests/end2end/features/test_spawn_bdd.py::test_running_spawn - end2end.fixtures.testprocess.WaitForTimeout: Timed out after 5000ms waiting for {'category': 'message', 'loglevel': 20, 'message': 'Command exited successfully. See :process * for details.'}.
FAILED tests/end2end/features/test_spawn_bdd.py::test_running_spawn_with_url_variable_in_fully_encoded_format - end2end.fixtures.testprocess.WaitForTimeout: Timed out after 5000ms waiting for {'category': 'ipc', 'module': 'ipc', 'function': 'on_ready_read', 'message': 'Read from socket *'}.
FAILED tests/end2end/features/test_spawn_bdd.py::test_running_spawn_with_m - end2end.fixtures.testprocess.WaitForTimeout: Timed out after 5000ms waiting for {'category': 'ipc', 'module': 'ipc', 'function': 'on_ready_read', 'message': 'Read from socket *'}.
FAILED tests/end2end/features/test_spawn_bdd.py::test_running_spawn_with_u_m - end2end.fixtures.testprocess.WaitForTimeout: Timed out after 5000ms waiting for {'category': 'message', 'loglevel': 20, 'message': 'Message 2'}.
FAILED tests/end2end/features/test_spawn_bdd.py::test_running_spawn_with_u_o - end2end.fixtures.testprocess.WaitForTimeout: Timed out after 5000ms waiting for {'message': "load status for * url='qute://process/*'>: LoadStatus.success"}.
FAILED tests/end2end/features/test_spawn_bdd.py::test_running_spawn_with_userscript - end2end.fixtures.testprocess.WaitForTimeout: Timed out while waiting for http://localhost:41949/data/hello.txt to be loaded
FAILED tests/end2end/features/test_spawn_bdd.py::test_running_spawn_with_userscript_and_count - end2end.fixtures.testprocess.WaitForTimeout: Timed out after 5000ms waiting for {'category': 'message', 'loglevel': 20, 'message': 'Count is five!'}.
FAILED tests/end2end/features/test_spawn_bdd.py::test_running_spawn_with_userscript_and_no_count - end2end.fixtures.testprocess.WaitForTimeout: Timed out after 5000ms waiting for {'category': 'message', 'loglevel': 20, 'message': 'No count!'}.
FAILED tests/end2end/features/test_spawn_bdd.py::test_running_spawn_with_userscript_that_expects_the_stdin_getting_closed - end2end.fixtures.testprocess.WaitForTimeout: Timed out after 5000ms waiting for {'category': 'message', 'loglevel': 20, 'message': 'stdin closed'}.
FAILED tests/unit/browser/test_history.py::TestDump::test_debug_dump_history - EncodingWarning: 'encoding' argument not specified
FAILED tests/unit/browser/test_qutescheme.py::TestProcessHandler::test_existing_process - Failed: CALL ERROR: Exceptions caught in Qt event loop:
FAILED tests/unit/browser/test_urlmarks.py::test_init - EncodingWarning: 'encoding' argument not specified
FAILED tests/unit/browser/test_urlmarks.py::test_save - EncodingWarning: 'encoding' argument not specified
FAILED tests/unit/commands/test_userscripts.py::test_command[_POSIXUserscriptRunner] - EncodingWarning: 'encoding' argument not specified
FAILED tests/unit/commands/test_userscripts.py::test_command[_WindowsUserscriptRunner] - EncodingWarning: 'encoding' argument not specified
FAILED tests/unit/commands/test_userscripts.py::test_custom_env[_POSIXUserscriptRunner] - EncodingWarning: 'encoding' argument not specified
FAILED tests/unit/commands/test_userscripts.py::test_custom_env[_WindowsUserscriptRunner] - EncodingWarning: 'encoding' argument not specified
FAILED tests/unit/commands/test_userscripts.py::test_source[_POSIXUserscriptRunner] - EncodingWarning: 'encoding' argument not specified
FAILED tests/unit/commands/test_userscripts.py::test_source[_WindowsUserscriptRunner] - EncodingWarning: 'encoding' argument not specified
FAILED tests/unit/commands/test_userscripts.py::test_command_with_error[_POSIXUserscriptRunner] - EncodingWarning: 'encoding' argument not specified
FAILED tests/unit/commands/test_userscripts.py::test_command_with_error[_WindowsUserscriptRunner] - EncodingWarning: 'encoding' argument not specified
FAILED tests/unit/commands/test_userscripts.py::test_killed_command[_POSIXUserscriptRunner] - EncodingWarning: 'encoding' argument not specified
FAILED tests/unit/commands/test_userscripts.py::test_killed_command[_WindowsUserscriptRunner] - EncodingWarning: 'encoding' argument not specified
FAILED tests/unit/commands/test_userscripts.py::test_temporary_files_failed_cleanup[_POSIXUserscriptRunner] - EncodingWarning: 'encoding' argument not specified
FAILED tests/unit/commands/test_userscripts.py::test_temporary_files_failed_cleanup[_WindowsUserscriptRunner] - EncodingWarning: 'encoding' argument not specified
FAILED tests/unit/commands/test_userscripts.py::test_unicode_error[_POSIXUserscriptRunner] - EncodingWarning: 'encoding' argument not specified
FAILED tests/unit/commands/test_userscripts.py::test_unicode_error[_WindowsUserscriptRunner] - EncodingWarning: 'encoding' argument not specified
FAILED tests/unit/components/test_braveadblock.py::test_corrupt_cache_handling - EncodingWarning: 'encoding' argument not specified
FAILED tests/unit/components/test_hostblock.py::test_invalid_utf8[content] - EncodingWarning: 'encoding' argument not specified
FAILED tests/unit/components/test_hostblock.py::test_invalid_utf8[comment] - EncodingWarning: 'encoding' argument not specified
FAILED tests/unit/config/test_configinit.py::TestEarlyInit::test_config_py_path - EncodingWarning: 'encoding' argument not specified
FAILED tests/unit/misc/test_editor.py::TestFileHandling::test_ok[True-True] - Failed: CALL ERROR: Exceptions caught in Qt event loop:
FAILED tests/unit/misc/test_editor.py::TestFileHandling::test_ok[True-False] - Failed: CALL ERROR: Exceptions caught in Qt event loop:
FAILED tests/unit/misc/test_editor.py::TestFileHandling::test_ok[False-True] - Failed: CALL ERROR: Exceptions caught in Qt event loop:
FAILED tests/unit/misc/test_editor.py::TestFileHandling::test_ok[False-False] - Failed: CALL ERROR: Exceptions caught in Qt event loop:
FAILED tests/unit/misc/test_editor.py::TestFileHandling::test_with_filename[True-True] - Failed: CALL ERROR: Exceptions caught in Qt event loop:
FAILED tests/unit/misc/test_editor.py::TestFileHandling::test_with_filename[True-False] - Failed: CALL ERROR: Exceptions caught in Qt event loop:
FAILED tests/unit/misc/test_editor.py::TestFileHandling::test_with_filename[False-True] - Failed: CALL ERROR: Exceptions caught in Qt event loop:
FAILED tests/unit/misc/test_editor.py::TestFileHandling::test_with_filename[False-False] - Failed: CALL ERROR: Exceptions caught in Qt event loop:
FAILED tests/unit/misc/test_editor.py::TestFileHandling::test_error[True] - Failed: CALL ERROR: Exceptions caught in Qt event loop:
FAILED tests/unit/misc/test_editor.py::TestFileHandling::test_error[False] - Failed: CALL ERROR: Exceptions caught in Qt event loop:
FAILED tests/unit/misc/test_editor.py::TestFileHandling::test_crash[True] - Failed: CALL ERROR: Exceptions caught in Qt event loop:
FAILED tests/unit/misc/test_editor.py::TestFileHandling::test_crash[False] - Failed: CALL ERROR: Exceptions caught in Qt event loop:
FAILED tests/unit/misc/test_editor.py::TestFileHandling::test_unreadable[True] - Failed: CALL ERROR: Exceptions caught in Qt event loop:
FAILED tests/unit/misc/test_editor.py::TestFileHandling::test_unreadable[False] - Failed: CALL ERROR: Exceptions caught in Qt event loop:
FAILED tests/unit/misc/test_editor.py::TestFileHandling::test_backup - Failed: CALL ERROR: Exceptions caught in Qt event loop:
FAILED tests/unit/misc/test_editor.py::test_modify[True--Hello] - Failed: CALL ERROR: Exceptions caught in Qt event loop:
FAILED tests/unit/misc/test_editor.py::test_modify[True-Hello-World] - Failed: CALL ERROR: Exceptions caught in Qt event loop:
FAILED tests/unit/misc/test_editor.py::test_modify[True-H\xe4ll\xf6 W\xf6rld-\xdcberpr\xfcfung] - Failed: CALL ERROR: Exceptions caught in Qt event loop:
FAILED tests/unit/misc/test_editor.py::test_modify[True-\u2603-\u2601] - Failed: CALL ERROR: Exceptions caught in Qt event loop:
FAILED tests/unit/misc/test_editor.py::test_modify[False--Hello] - Failed: CALL ERROR: Exceptions caught in Qt event loop:
FAILED tests/unit/misc/test_editor.py::test_modify[False-Hello-World] - Failed: CALL ERROR: Exceptions caught in Qt event loop:
FAILED tests/unit/misc/test_editor.py::test_modify[False-H\xe4ll\xf6 W\xf6rld-\xdcberpr\xfcfung] - Failed: CALL ERROR: Exceptions caught in Qt event loop:
FAILED tests/unit/misc/test_editor.py::test_modify[False-\u2603-\u2601] - Failed: CALL ERROR: Exceptions caught in Qt event loop:
FAILED tests/unit/misc/test_editor.py::test_modify_watch - Failed: CALL ERROR: Exceptions caught in Qt event loop:
FAILED tests/unit/misc/test_editor.py::test_failing_watch - Failed: CALL ERROR: Exceptions caught in Qt event loop:
FAILED tests/unit/misc/test_editor.py::test_failing_unwatch - Failed: CALL ERROR: Exceptions caught in Qt event loop:
FAILED tests/unit/misc/test_guiprocess.py::test_start - Failed: CALL ERROR: Exceptions caught in Qt event loop:
FAILED tests/unit/misc/test_guiprocess.py::test_start_verbose - Failed: CALL ERROR: Exceptions caught in Qt event loop:
FAILED tests/unit/misc/test_guiprocess.py::test_start_output_message[True-True] - Failed: CALL ERROR: Exceptions caught in Qt event loop:
FAILED tests/unit/misc/test_guiprocess.py::test_start_output_message[True-False] - Failed: CALL ERROR: Exceptions caught in Qt event loop:
FAILED tests/unit/misc/test_guiprocess.py::test_start_output_message[False-True] - Failed: CALL ERROR: Exceptions caught in Qt event loop:
FAILED tests/unit/misc/test_guiprocess.py::test_start_output_message[False-False] - Failed: CALL ERROR: Exceptions caught in Qt event loop:
FAILED tests/unit/misc/test_guiprocess.py::test_live_messages_output[simple-output] - EncodingWarning: 'encoding' argument not specified
FAILED tests/unit/misc/test_guiprocess.py::test_live_messages_output[simple-cr] - EncodingWarning: 'encoding' argument not specified
FAILED tests/unit/misc/test_guiprocess.py::test_live_messages_output[cr-after-newline] - EncodingWarning: 'encoding' argument not specified
FAILED tests/unit/misc/test_guiprocess.py::test_live_messages_output[cr-multiple-lines] - EncodingWarning: 'encoding' argument not specified
FAILED tests/unit/misc/test_guiprocess.py::test_live_messages_output[cr-middle-of-string] - EncodingWarning: 'encoding' argument not specified
FAILED tests/unit/misc/test_guiprocess.py::test_elided_output[20-expected_lines0] - EncodingWarning: 'encoding' argument not specified
FAILED tests/unit/misc/test_guiprocess.py::test_elided_output[25-expected_lines1] - EncodingWarning: 'encoding' argument not specified
FAILED tests/unit/misc/test_guiprocess.py::test_start_env - EncodingWarning: 'encoding' argument not specified
FAILED tests/unit/misc/test_guiprocess.py::test_double_start_finished - Failed: CALL ERROR: Exceptions caught in Qt event loop:
FAILED tests/unit/misc/test_guiprocess.py::test_exit_unsuccessful - Failed: CALL ERROR: Exceptions caught in Qt event loop:
FAILED tests/unit/misc/test_guiprocess.py::test_exit_signal[11-Testprocess crashed with status 11 (SIGSEGV).-crashed-False] - EncodingWarning: 'encoding' argument not specified
FAILED tests/unit/misc/test_guiprocess.py::test_exit_signal[15-Testprocess terminated with status 15 (SIGTERM).-terminated-True] - EncodingWarning: 'encoding' argument not specified
FAILED tests/unit/misc/test_guiprocess.py::test_exit_unsuccessful_output[stdout] - EncodingWarning: 'encoding' argument not specified
FAILED tests/unit/misc/test_guiprocess.py::test_exit_unsuccessful_output[stderr] - EncodingWarning: 'encoding' argument not specified
FAILED tests/unit/misc/test_guiprocess.py::test_exit_successful_output[stdout] - EncodingWarning: 'encoding' argument not specified
FAILED tests/unit/misc/test_guiprocess.py::test_exit_successful_output[stderr] - EncodingWarning: 'encoding' argument not specified
FAILED tests/unit/misc/test_guiprocess.py::test_stdout_not_decodable - EncodingWarning: 'encoding' argument not specified
FAILED tests/unit/misc/test_guiprocess.py::test_cleanup - Failed: CALL ERROR: Exceptions caught in Qt event loop:
FAILED tests/unit/misc/test_lineparser.py::TestLineParser::test_init - EncodingWarning: 'encoding' argument not specified
FAILED tests/unit/misc/test_lineparser.py::TestLineParser::test_clear - EncodingWarning: 'encoding' argument not specified
FAILED tests/unit/misc/test_lineparser.py::TestLineParser::test_prepare_save - EncodingWarning: 'encoding' argument not specified
FAILED tests/unit/misc/userscripts/test_qute_lastpass.py::TestQuteLastPassMain::test_main_happy_path - EncodingWarning: 'encoding' argument not specified
FAILED tests/unit/misc/userscripts/test_qute_lastpass.py::TestQuteLastPassMain::test_main_no_candidates - EncodingWarning: 'encoding' argument not specified
FAILED tests/unit/misc/userscripts/test_qute_lastpass.py::TestQuteLastPassMain::test_main_lpass_failure - EncodingWarning: 'encoding' argument not specified
FAILED tests/unit/misc/userscripts/test_qute_lastpass.py::TestQuteLastPassMain::test_main_username_only_flag - EncodingWarning: 'encoding' argument not specified
FAILED tests/unit/misc/userscripts/test_qute_lastpass.py::TestQuteLastPassMain::test_main_password_only_flag - EncodingWarning: 'encoding' argument not specified
FAILED tests/unit/misc/userscripts/test_qute_lastpass.py::TestQuteLastPassMain::test_main_multiple_candidates - EncodingWarning: 'encoding' argument not specified
FAILED tests/unit/misc/userscripts/test_qute_lastpass.py::TestQuteLastPassMain::test_main_merge_candidates - EncodingWarning: 'encoding' argument not specified
FAILED tests/unit/scripts/test_run_vulture.py::test_used - EncodingWarning: 'encoding' argument not specified
FAILED tests/unit/scripts/test_run_vulture.py::test_unused_func - EncodingWarning: 'encoding' argument not specified
FAILED tests/unit/scripts/test_run_vulture.py::test_unused_method_camelcase - EncodingWarning: 'encoding' argument not specified
FAILED tests/unit/utils/test_standarddir.py::test_no_qapplication - EncodingWarning: 'encoding' argument not specified.
FAILED tests/unit/utils/test_utils.py::TestYaml::test_load_file - EncodingWarning: 'encoding' argument not specified
FAILED tests/unit/utils/test_utils.py::TestYaml::test_dump_file - EncodingWarning: 'encoding' argument not specified
FAILED tests/unit/utils/test_utils.py::TestCleanupFileContext::test_no_error - EncodingWarning: 'encoding' argument not specified
FAILED tests/unit/utils/test_utils.py::TestCleanupFileContext::test_error - EncodingWarning: 'encoding' argument not specified
FAILED tests/unit/utils/test_version.py::test_is_flatpak[True-True] - EncodingWarning: 'encoding' argument not specified
FAILED tests/unit/utils/test_version.py::test_is_flatpak[True-False] - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_downloads_bdd.py::test_downloading_with_insecure_redirect - end2end.fixtures.testprocess.InvalidLine: 
ERROR tests/end2end/features/test_downloads_bdd.py::test_no_download_folder_chosen - end2end.fixtures.testprocess.InvalidLine: 
ERROR tests/end2end/features/test_editor_bdd.py::test_file_selector_deleting_temporary_file - end2end.fixtures.testprocess.InvalidLine: 
ERROR tests/end2end/features/test_hints_bdd.py::test_using_hintfollow_outside_of_hint_mode_issue_1105 - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_using_hintfollow_with_an_invalid_index - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_using_hint_with_invalid_mode - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_switching_tab_between_hint_and_start_cb_issue_3892 - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_following_a_hint_and_force_to_open_in_current_tab - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_following_a_hint_and_allow_to_open_in_new_tab - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_following_a_hint_to_link_with_subelement_and_force_to_open_in_current_tab - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_entering_and_leaving_hinting_mode_issue_1464 - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_using_hint_spawn_with_flags_and__issue_797 - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_using_hint_spawn_with_flags_issue_797 - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_using_hint_spawn_with_flags_and_rapid_issue_797 - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_using_hint_spawn_with_flags_passed_to_the_command_issue_797 - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_using_hint_run - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_using_hint_fill - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_using_hint_userscript - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_using_hint_userscript_with_a_script_which_doesnt_exist - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_yanking_to_clipboard - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_yanking_to_primary_selection - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_yanking_to_primary_selection_without_it_being_supported_1336 - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_yanking_email_address_to_clipboard - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_yanking_javascript_link_to_clipboard - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_rapid_yanking - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_rapid_hinting - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_using_hint_rapid_to_hit_multiple_buttons - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_using_hint_run_with_a_url_containing_spaces - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_hinting_inputs_without_type - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_error_with_invalid_hint_group - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_custom_hint_group - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_custom_hint_group_with_url_pattern - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_fallback_to_global_value_with_url_pattern_set - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_invalid_custom_selector - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_hinting_inputs_with_padding - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_hinting_with_ace_editor - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_hinting_twitter_bootstrap_checkbox - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_clicking_input_with_existing_text - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_using_hintfollow_inside_an_iframe - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_using_hintfollow_inside_an_iframe_button - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_hinting_inputs_in_an_iframe_without_type - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_using_hintfollow_inside_a_scrolled_iframe - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_opening_a_link_inside_a_specific_iframe - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_opening_a_link_with_specific_target_frame_in_a_new_tab - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_clicking_on_iframe_with_hint_all_current - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_no_error_when_hinting_ranged_input_in_frames - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_ignoring_key_presses_after_autofollowing_hints - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_turning_off_auto_follow_timeout - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_hinting_with_a_too_short_dictionary - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_dictionary_file_does_not_exist - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_renumbering_hints_when_filtering - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_keeping_hints_filter_when_using_backspace - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_multiword_matching - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_scattering_is_ignored_with_number_hints - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_filtering_all_hints_in_number_mode - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_using_rapid_number_hinting_twice - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_changing_rapid_hint_filter_after_selecting_hint - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_using_a_specific_hints_mode - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_leaving_hint_mode_on_reload - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_leaving_hint_mode_on_reload_without_leave_on_load - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_using_hintsauto_follow__always_in_letter_mode - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_using_hintsauto_follow__uniquematch_in_letter_mode - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_using_hintsauto_follow__fullmatch_in_letter_mode - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_using_hintsauto_follow__never_without_enter_in_letter_mode - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_using_hintsauto_follow__never_in_letter_mode - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_using_hintsauto_follow__always_in_number_mode - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_using_hintsauto_follow__uniquematch_in_number_mode - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_using_hintsauto_follow__fullmatch_in_number_mode - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_using_hintsauto_follow__never_without_enter_in_number_mode - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_using_hintsauto_follow__never_in_number_mode - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_using_hintsauto_follow__always_in_word_mode - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_using_hintsauto_follow__uniquematch_in_word_mode - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_using_hintsauto_follow__fullmatch_in_word_mode - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_using_hintsauto_follow__never_without_enter_in_word_mode - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_using_hintsauto_follow__never_in_word_mode - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_using_first_with_normal_links - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_using_first_with_inputs - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_hinting_contenteditable_inputs - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_deleting_a_simple_target - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_statusbar_text_when_entering_hint_mode_from_other_mode - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_hints_bdd.py::test_hinting_an_input_after_undoing_a_tab_close - EncodingWarning: 'encoding' argument not specified
ERROR tests/end2end/features/test_misc_bdd.py::test_thirdparty_iframes_in_qutebrowser_stylesheet_script - end2end.fixtures.testprocess.InvalidLine: 
ERROR tests/end2end/features/test_open_bdd.py::test_open_s[http://] - end2end.fixtures.testprocess.InvalidLine: 
ERROR tests/end2end/features/test_open_bdd.py::test_open_s[] - end2end.fixtures.testprocess.InvalidLine: 
ERROR tests/end2end/features/test_open_bdd.py::test_open_s_non_http - end2end.fixtures.testprocess.InvalidLine: 
ERROR tests/end2end/features/test_prompts_bdd.py::test_ssl_error_with_contenttlscertificate_errors__loadinsecurely - end2end.fixtures.testprocess.InvalidLine: 
ERROR tests/end2end/features/test_prompts_bdd.py::test_ssl_error_with_contenttlscertificate_errors__block - end2end.fixtures.testprocess.InvalidLine: 
ERROR tests/end2end/features/test_prompts_bdd.py::test_ssl_error_with_contenttlscertificate_errors__ask__yes - end2end.fixtures.testprocess.InvalidLine: 
ERROR tests/end2end/features/test_prompts_bdd.py::test_ssl_error_with_contenttlscertificate_errors__ask__no - end2end.fixtures.testprocess.InvalidLine: 
ERROR tests/end2end/features/test_prompts_bdd.py::test_ssl_error_with_contenttlscertificate_errors__ask__abort - end2end.fixtures.testprocess.InvalidLine: 
ERROR tests/end2end/features/test_prompts_bdd.py::test_ssl_error_with_contenttlscertificate_errors__askblockthirdparty__yes - end2end.fixtures.testprocess.InvalidLine: 
ERROR tests/end2end/features/test_prompts_bdd.py::test_ssl_resource_error_with_contenttlscertificate_errors__ask__yes - end2end.fixtures.testprocess.InvalidLine: 
ERROR tests/end2end/features/test_prompts_bdd.py::test_ssl_resource_error_with_contenttlscertificate_errors__ask__no - end2end.fixtures.testprocess.InvalidLine: 
ERROR tests/end2end/features/test_prompts_bdd.py::test_ssl_resource_error_with_contenttlscertificate_errors__askblockthirdparty - end2end.fixtures.testprocess.InvalidLine: 
ERROR tests/end2end/features/test_prompts_bdd.py::test_interrupting_ssl_prompt_during_a_notification_prompt - end2end.fixtures.testprocess.InvalidLine: 
ERROR tests/end2end/features/test_prompts_bdd.py::test_certificate_error_load_status - end2end.fixtures.testprocess.InvalidLine: 
ERROR tests/end2end/features/test_spawn_bdd.py::test_running_spawn - end2end.fixtures.testprocess.InvalidLine: 
ERROR tests/end2end/features/test_spawn_bdd.py::test_running_spawn_with_u_m - end2end.fixtures.testprocess.InvalidLine: 
ERROR tests/end2end/features/test_spawn_bdd.py::test_running_spawn_with_u_o - end2end.fixtures.testprocess.InvalidLine: 
ERROR tests/end2end/features/test_spawn_bdd.py::test_running_spawn_with_userscript - end2end.fixtures.testprocess.InvalidLine: 
ERROR tests/end2end/features/test_spawn_bdd.py::test_running_spawn_with_userscript_and_count - end2end.fixtures.testprocess.InvalidLine: 
ERROR tests/end2end/features/test_spawn_bdd.py::test_running_spawn_with_userscript_and_no_count - end2end.fixtures.testprocess.InvalidLine: 
ERROR tests/end2end/features/test_spawn_bdd.py::test_running_spawn_with_userscript_that_expects_the_stdin_getting_closed - end2end.fixtures.testprocess.InvalidLine: 
ERROR tests/unit/commands/test_userscripts.py::TestQtFIFOReader::test_single_line - EncodingWarning: 'encoding' argument not specified
ERROR tests/unit/commands/test_userscripts.py::TestQtFIFOReader::test_cleanup - EncodingWarning: 'encoding' argument not specified
ERROR tests/unit/misc/test_guiprocess.py::test_double_start - Failed: TEARDOWN ERROR: Exceptions caught in Qt event loop:
ERROR tests/unit/misc/test_guiprocess.py::test_running - Failed: TEARDOWN ERROR: Exceptions caught in Qt event loop:
ERROR tests/unit/misc/test_guiprocess.py::test_str - Failed: TEARDOWN ERROR: Exceptions caught in Qt event loop:
ERROR tests/unit/scripts/test_check_coverage.py::test_tested_no_branches - assert <ExitCode.INTERNAL_ERROR: 3> == 0
ERROR tests/unit/scripts/test_check_coverage.py::test_tested_with_branches - assert <ExitCode.INTERNAL_ERROR: 3> == 0
ERROR tests/unit/scripts/test_check_coverage.py::test_untested - assert <ExitCode.INTERNAL_ERROR: 3> == 0
ERROR tests/unit/scripts/test_check_coverage.py::test_untested_floats - assert <ExitCode.INTERNAL_ERROR: 3> == 0
ERROR tests/unit/scripts/test_check_coverage.py::test_untested_branches - assert <ExitCode.INTERNAL_ERROR: 3> == 0
ERROR tests/unit/scripts/test_check_coverage.py::test_tested_unlisted - assert <ExitCode.INTERNAL_ERROR: 3> == 0
ERROR tests/unit/scripts/test_check_coverage.py::test_skipped_args[args0-because -k is given.] - assert <ExitCode.INTERNAL_ERROR: 3> == 0
ERROR tests/unit/scripts/test_check_coverage.py::test_skipped_args[args1-because -m is given.] - assert <ExitCode.INTERNAL_ERROR: 3> == 0
ERROR tests/unit/scripts/test_check_coverage.py::test_skipped_args[args2-because --lf is given.] - assert <ExitCode.INTERNAL_ERROR: 3> == 0
ERROR tests/unit/scripts/test_check_coverage.py::test_skipped_args[args3-because -m is given.] - assert <ExitCode.INTERNAL_ERROR: 3> == 0
ERROR tests/unit/scripts/test_check_coverage.py::test_skipped_args[args4-because there is nothing to check.] - assert <ExitCode.INTERNAL_ERROR: 3> == 0
ERROR tests/unit/scripts/test_check_coverage.py::test_skipped_non_linux - assert <ExitCode.INTERNAL_ERROR: 3> == 0

From what it looks like, mostly from us using .write and .write_text on tmpdir / tmp_path without an encoding.