Fix tests

Author: EmilianoSanchez

src/__tests__/consumer/node_redis.spec.js

@@ -1,7 +1,7 @@
 /* eslint-disable no-console */
 
 import osFunction from 'os';
-import ipFunction from '../../utils/ip';
+import * as ipFunction from '../../utils/ip';
 import tape from 'tape';
 import sinon from 'sinon';
 import RedisServer from 'redis-server';

src/settings/__tests__/node.spec.js

@@ -1,7 +1,7 @@
 import tape from 'tape-catch';
 import sinon from 'sinon';
 import osFunction from 'os';
-import ipFunction from '../../utils/ip';
+import * as ipFunction from '../../utils/ip';
 import { settingsFactory } from '../node';
 import { CONSUMER_MODE, NA } from '@splitsoftware/splitio-commons/src/utils/constants';