test_activation_before_primary_acquires_is_not_lost (test_desktop_instance.DesktopInstanceTests.test_activation_before_primary_acquires_is_not_lost) ... ok
test_activation_survives_sender_exit_and_waits_for_ui (test_desktop_instance.DesktopInstanceTests.test_activation_survives_sender_exit_and_waits_for_ui) ... ok
test_clean_exit_allows_existing_contender_to_take_over (test_desktop_instance.DesktopInstanceTests.test_clean_exit_allows_existing_contender_to_take_over) ... ok
test_close_on_wrong_thread_preserves_live_primary (test_desktop_instance.DesktopInstanceTests.test_close_on_wrong_thread_preserves_live_primary) ... ok
test_closed_guard_is_idempotent_but_cannot_reopen (test_desktop_instance.DesktopInstanceTests.test_closed_guard_is_idempotent_but_cannot_reopen) ... ok
test_closing_secondary_keeps_owner_exclusive (test_desktop_instance.DesktopInstanceTests.test_closing_secondary_keeps_owner_exclusive) ... ok
test_different_test_namespaces_do_not_interfere (test_desktop_instance.DesktopInstanceTests.test_different_test_namespaces_do_not_interfere) ... ok
test_killed_owner_releases_mutex_even_with_secondary_handle_open (test_desktop_instance.DesktopInstanceTests.test_killed_owner_releases_mutex_even_with_secondary_handle_open) ... ok
test_multiple_clicks_coalesce_and_secondary_cannot_steal_event (test_desktop_instance.DesktopInstanceTests.test_multiple_clicks_coalesce_and_secondary_cannot_steal_event) ... ok
test_mutex_creation_failure_is_not_treated_as_primary (test_desktop_instance.DesktopInstanceTests.test_mutex_creation_failure_is_not_treated_as_primary) ... ok
test_other_working_directory_uses_same_identity (test_desktop_instance.DesktopInstanceTests.test_other_working_directory_uses_same_identity) ... ok
test_same_thread_second_guard_cannot_recursively_become_primary (test_desktop_instance.DesktopInstanceTests.test_same_thread_second_guard_cannot_recursively_become_primary) ... ok
test_six_concurrent_processes_elect_exactly_one_primary (test_desktop_instance.DesktopInstanceTests.test_six_concurrent_processes_elect_exactly_one_primary) ... ok
test_windows_handle_signatures_are_pointer_sized (test_desktop_instance.DesktopInstanceTests.test_windows_handle_signatures_are_pointer_sized) ... ok

----------------------------------------------------------------------
Ran 14 tests in 1.330s

OK