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__snapshots__		__snapshots__
data		data
modules		modules
.babelrc		.babelrc
README.md		README.md
index.js		index.js
index.second.test.js		index.second.test.js
index.test.js		index.test.js
index.third.test.js		index.third.test.js
package.json		package.json

README.md

Testing with Jest

Checking code with Jest (https://jestjs.io/)