caucase.test: Increase the caucased start timeout for...

caucase.test: Increase the caucased start timeout for test_databaseUpgradeFrom_0_9_8_{with,no}_revoked

This step needs to generate certificates, so it may reach the shorter,
default timeout.

caucase/test.py

@@ -3794,7 +3794,9 @@ class CaucaseTest(TestCase):
       )
     db.close()
     ca_crt_list = [old_ca_crt, ca_crt]
-    self._startServer()
+    # We populated just the CAS tables with the old schema, but neither the CAU
+    # nor the HTTP_CAS tables. So give the server more time to start.
+    self._startServer(timeout=60)
     self._runClient()
     self.assertItemsEqual(
       [