Nightly CI JS test coverage not found about contacts HOT 1 CLOSED

START:
10 06 2021 01:09:53.215:INFO [karma-server]: Karma v4.4.1 server started at http://0.0.0.0:9876/
10 06 2021 01:09:53.216:INFO [launcher]: Launching browsers firefox_custom with concurrency unlimited
10 06 2021 01:09:53.221:INFO [launcher]: Starting browser firefox via Remote WebDriver
10 06 2021 01:09:53.252:ERROR [WebDriver]: WebDriver command failed { spec:
   { platform: 'Linux',
     testName: 'Karma test',
     tags: [],
     version: '',
     base: 'WebDriver',
     browserName: 'firefox' },
  error:
   { Error: getaddrinfo ENOTFOUND selenium selenium:4444
       at GetAddrInfoReqWrap.onlookup [as oncomplete] (dns.js:56:26)
     errno: 'ENOTFOUND',
     code: 'ENOTFOUND',
     syscall: 'getaddrinfo',
     hostname: 'selenium',
     host: 'selenium',
     port: '4444' } }
10 06 2021 01:09:53.258:INFO [WebDriver]: Killed Karma test.
10 06 2021 01:09:53.259:ERROR [launcher]: Cannot start firefox via Remote WebDriver
	undefined