tests.testlib.licensing: Fix ca-certificate() logic

Change-Id: I3a7b0d0833937e3aeca24eb8681d9d9b2b9a77e7

tests/testlib/licensing/__init__.py

@@ -37,16 +37,21 @@
 @contextmanager
 def ca_certificate(site: Site) -> Iterator[LicensingKeyOrCert]:
  """Update CA certificate (create a backup of the original certificate)"""
- ca_cert_file = site.licensing_dir / "ca-certificate.pem"
+ ca_cert_file = Path(site.root) / "share" / "check_mk" / "licensing" / "ca-certificate.pem"
  ca_cert_backup = Path(site.root) / f"{ca_cert_file.name}.bak"
  # NOTE: The certificate is owned by root!
- run(["cp", ca_cert_file.as_posix(), ca_cert_backup.as_posix()], sudo=True)
+ restore_backup = (
+ run(
+ ["cp", ca_cert_file.as_posix(), ca_cert_backup.as_posix()], check=False, sudo=True
+ ).returncode
+ == 0
+ ) and os.getenv("CLEANUP", "1") == "1"
  try:
  key_or_cert = licensing_key_or_cert()
  write_file(ca_cert_file, key_or_cert.certificate.dump_pem().bytes, sudo=True)
  yield key_or_cert
  finally:
- if os.getenv("CLEANUP", "1") == "1":
+ if restore_backup:
  run(["cp", ca_cert_backup.as_posix(), ca_cert_file.as_posix()], sudo=True)