tests: change test_udts to work with smp=1

trying to check if this improves the stability of the
`test_can_register_udt_before_connecting` in our CI runs

Fixes: #264

Author: fruch

tests/integration/standard/test_udts.py

@@ -12,12 +12,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+import os
 import unittest
-
 from collections import namedtuple
 from functools import partial
-import six
 
+import six
 from cassandra import InvalidRequest
 from cassandra.cluster import UserTypeDoesNotExist, ExecutionProfile, EXEC_PROFILE_DEFAULT
 from cassandra.query import dict_factory
@@ -33,6 +33,7 @@
 
 
 def setup_module():
+    os.environ['SCYLLA_EXT_OPTS'] = "--smp 1"
     use_singledc()
     update_datatypes()
 
@@ -125,15 +126,15 @@ def test_can_register_udt_before_connecting(self):
 
         s.execute("""
             CREATE KEYSPACE udt_test_register_before_connecting
-            WITH replication = { 'class' : 'SimpleStrategy', 'replication_factor': '1' }
+            WITH replication = { 'class' : 'SimpleStrategy', 'replication_factor': '3' }
             """)
         s.set_keyspace("udt_test_register_before_connecting")
         s.execute("CREATE TYPE user (age int, name text)")
         s.execute("CREATE TABLE mytable (a int PRIMARY KEY, b frozen<user>)")
 
         s.execute("""
             CREATE KEYSPACE udt_test_register_before_connecting2
-            WITH replication = { 'class' : 'SimpleStrategy', 'replication_factor': '1' }
+            WITH replication = { 'class' : 'SimpleStrategy', 'replication_factor': '3' }
             """)
         s.set_keyspace("udt_test_register_before_connecting2")
         s.execute("CREATE TYPE user (state text, is_cool boolean)")