[CI] Circle CI with Jest Memory Not Enough

[whatwewant]

• question

  • 1. see the circle ci panel, found error Too long with no output (exceeded 10m0s), but no any more message. circle link
  • 2. so i Rerun job with SSH, then get into circle ci ssh server
  • 3. after get into ssh server, run npm run test, but found error
       about jest modules, so run yarn to install lack modules; then run
       npm run test again, found error ENOMEM: not enough memory, read
  • 4. search from google, found answer in disscuss Not enough memory while testing a Node.js appplication
  • 5. read all messages from the discuss, one man enapupe say he fix
       jest memory issues with running single thread -w 1. thanks.

• solution:

  • jest memory issues, limit thread with jest -w 1

[whatwewant]

• Circle CI Pabel showing
  

[whatwewant]

• ssh circle ci server, run npm run test showing
  

[whatwewant]

fix with this discuess Not enough memory while testing a Node.js appplication

[whatwewant]

fix in #dd9ebd8

[balovbohdan]

Similar issue: jestjs/jest#8769 (comment).