protected boolean createTopic(String topicName, int numPartitions, int replicationFactor) {
    return createTopics(Collections.singleton(new NewTopic(topicName, numPartitions, (short) replicationFactor)));
  }
Overrides of method should provide the following mandatory configurations
 1. bootstrap.servers
 2. key.deserializer
 3. value.deserializer
 4. auto.offset.reset
 5. group.id

@return {@link Properties} for the test kafka consumer
samza-test/src/test/java/org/apache/samza/test/harness/IntegrationTestHarness.java