Hincrby Nodejs

it('should decrement ip counter in redis hash', (done) => {
 const first = new Promise((res, rej) => {
  redisMockClient.hincrby(ipListKey, '127.0.0.1', 1, () => {
   res();
  });
 });
 const second = new Promise((res, rej) => {
  redisMockClient.hincrby(ipListKey, '127.0.0.1', 1, () => {
   res();
  });
Expensive Eland