Fix reg exp in replication_test.TestReplication.test_network_topology to include 4.0 verbs

 patch by Berenguer Blasi; reviewed by Mick Semb Wever for CASSANDRA-16469
diff --git a/replication_test.py b/replication_test.py
index 5ea07b2..966f084 100644
--- a/replication_test.py
+++ b/replication_test.py
@@ -15,8 +15,8 @@
 logger = logging.getLogger(__name__)
 
 TRACE_DETERMINE_REPLICAS = re.compile('Determining replicas for mutation')
-TRACE_SEND_MESSAGE = re.compile(r'Sending (?:MUTATION|REQUEST_RESPONSE) message to /([0-9]+\.[0-9]+\.[0-9]+\.[0-9]+)')
-TRACE_RESPOND_MESSAGE = re.compile(r'(?:MUTATION|REQUEST_RESPONSE) message received from /([0-9]+\.[0-9]+\.[0-9]+\.[0-9]+)')
+TRACE_SEND_MESSAGE = re.compile(r'Sending (?:MUTATION|MUTATION_REQ|REQUEST_RESPONSE) message to /([0-9]+\.[0-9]+\.[0-9]+\.[0-9]+)')
+TRACE_RESPOND_MESSAGE = re.compile(r'(?:MUTATION||MUTATION_REQ|REQUEST_RESPONSE) message received from /([0-9]+\.[0-9]+\.[0-9]+\.[0-9]+)')
 TRACE_COMMIT_LOG = re.compile('Appending to commitlog')
 TRACE_FORWARD_WRITE = re.compile(r'Enqueuing forwarded write to /([0-9]+\.[0-9]+\.[0-9]+\.[0-9]+)')