Traceback (most recent call last):
  File "/app/src/slices_monitor_test_runner/test_runners/test_runner_base.py", line 170, in step
    yield
  File "/app/src/slices_monitor_test_runner/test_runners/slices_singlenode_login.py", line 1147, in _ssh_login_pubkey
    server_openssh_pubkeys = file_lines_to_list(self.test_dir / filename)
  File "/app/src/slices_monitor_test_runner/test_runners/test_runner_base.py", line 27, in file_lines_to_list
    with path.open() as f:
         ~~~~~~~~~^^
  File "/usr/local/lib/python3.14/pathlib/__init__.py", line 771, in open
    return io.open(self, mode, buffering, encoding, errors, newline)
           ~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
FileNotFoundError: [Errno 2] No such file or directory: '/test_dir/bi_ssh_serverkey.txt'