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Jest is a powerful tool for writing JavaScript tests. Developers should use Jest to write unit tests for their Lightning web components. Jest allows testing components in isolation, essential user interaction, verifying the DOM output and verifying that events fire when expected.

 <a href="https://developer.salesforce.com/docs/component-library/documentation/en/lwc/testing" rel="nofollow noopener noreferrer" target="_blank">https://developer.salesforce.com/docs/component-library/documentation/en/lwc/testing</a>

-  <a href="https://developer.salesforce.com/docs/component-library/documentation/en/lwc/testing" rel="nofollow noopener noreferrer" target="_blank">https://developer.salesforce.com/docs/component-library/documentation/en/lwc/testing</a>
   

Untested Lightning Web Components

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Untested Lightning Web Components

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