tests: Check CRL Distribution Points presence on a service certificate.

More realistic than checking server certificate.

caucase/test.py

@@ -1971,17 +1971,18 @@ class CaucaseTest(unittest.TestCase):
     address in CRL distribution point extension.
     """
     self._stopServer()
-    # Force generation of a new server certificate
     os.unlink(self._server_key)
+    os.unlink(self._server_db)
     self._server_netloc = '[::1]:8000'
-    # Would raise
+    self._caucase_url = 'http://' + self._server_netloc
     self._startServer()
-    # To retrieve CAS CA crt.
-    self._runClient()
-    # Sanity checks
-    self.assertTrue(os.path.exists(self._server_key))
+    user_key_path = self._createFirstUser()
+    service_key = self._createAndApproveCertificate(
+      user_key_path,
+      'service',
+    )
     distribution_point, = utils.load_certificate(
-      utils.getCert(self._server_key),
+      utils.getCert(service_key),
       [
         utils.load_ca_certificate(x)
         for x in utils.getCertList(self._client_ca_crt)