tests/sshd: add a 5 second timeout for sshd to start

pkgs/clan-cli/tests/sshd.py

@@ -10,13 +10,16 @@ from tempfile import TemporaryDirectory
 from typing import TYPE_CHECKING
 
 import pytest
-from fixture_error import FixtureError
 
 if TYPE_CHECKING:
     from command import Command
     from ports import PortFunction
 
 
+class SshdError(Exception):
+    pass
+
+
 class Sshd:
     def __init__(self, port: int, proc: subprocess.Popen[str], key: str) -> None:
         self.port = port
@@ -135,6 +138,10 @@ def sshd(
         extra_env=env,
     )
     monkeypatch.delenv("SSH_AUTH_SOCK", raising=False)
+
+    timeout = 5
+    start_time = time.time()
+
     while True:
         print(sshd_config.path)
         if (
@@ -162,5 +169,8 @@ def sshd(
             rc = proc.poll()
             if rc is not None:
                 msg = f"sshd processes was terminated with {rc}"
-                raise FixtureError(msg)
+                raise SshdError(msg)
+            if time.time() - start_time > timeout:
+                msg = "Timeout while waiting for sshd to be ready"
+                raise SshdError(msg)
             time.sleep(0.1)