code: public MongoClient createMongoClient(MongoClientOptions options) {
  		Integer embeddedPort = getEmbeddedPort();
  		if (embeddedPort != null) {
  			return createEmbeddedMongoClient(options, embeddedPort);
  		}
  		return createNetworkMongoClient(options);
  	}
docs: Creates a {@link MongoClient} using the given {@code options}. If the environment
  contains a {@code local.mongo.port} property, it is used to configure a client to
  an embedded MongoDB instance.
  @param options the options
  @return the Mongo client