Fix gitlab ci registry config error.

1 job for express-logger in 1 minute and 20 seconds (queued for 2 seconds)
Status Job ID Name Coverage
failed #44782


Name Stage Failure
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! <>

npm ERR! Please include the following file with any support request:
npm ERR! /root/.npm/_logs/2019-02-26T09_37_53_527Z-debug.log
ERROR: Job failed: exit code 1