PASS: test_dropin
PASS: test_no_block_reset
PASS: test_block_reload_failure
PASS: test_unblock_reload_retry
PASS: test_owned_pid
PASS: test_foreign_pid
PASS: test_watcher_existing_pid
PASS: test_watcher_no_pg_upgrade
PASS: test_watcher_still_polling
PASS: test_unblock_removes_lock_tmp
PASS: test_watcher_abandoned
PASS: test_active_source
PASS: test_start_guard
PASS: test_dropin_expiry
PASS: test_exit_cleanup