Attempt to fix npm install problem for ci build.

1 job for express-logger in 1 minute and 21 seconds (queued for 1 second)
Status Job ID Name Coverage
  Test
failed #44781
test

00:01:21

 
Name Stage Failure
failed
test Test

npm ERR! This request requires auth credentials. Run `npm login` and repeat the request.
npm ERR!
npm ERR! If you need help, you may report this error at:
npm ERR! <https://github.com/npm/npm/issues>

npm ERR! Please include the following file with any support request:
npm ERR! /root/.npm/_logs/2019-02-26T09_35_05_660Z-debug.log
ERROR: Job failed: exit code 1