Error: Cannot find module 'scrypt-shim'

[jimni1222]

Describe the bug
Circle CI build error

[01:30:23] Error: Cannot find module 'scrypt-shim' from '/home/circleci/repo/packages/caver-wallet/src/keyring'
    at /home/circleci/repo/node_modules/browser-resolve/node_modules/resolve/lib/async.js:46:17
    at process (/home/circleci/repo/node_modules/browser-resolve/node_modules/resolve/lib/async.js:173:43)
    at ondir (/home/circleci/repo/node_modules/browser-resolve/node_modules/resolve/lib/async.js:188:17)
    at load (/home/circleci/repo/node_modules/browser-resolve/node_modules/resolve/lib/async.js:69:43)
    at onex (/home/circleci/repo/node_modules/browser-resolve/node_modules/resolve/lib/async.js:92:31)
    at /home/circleci/repo/node_modules/browser-resolve/node_modules/resolve/lib/async.js:22:47

How to reproduce
rm -rf package-lock.json
rm -rf node_modules/
npm install
npm run test

Expected behavior
No error.

Attachments
If applicable, add data, logs or screenshots to help explain your problem.

Environment (please complete the following information)

• caver-js v1.4.2
• macOS/10.15

Additional context
refer web3/web3.js#3210