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kv
kv

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Hey I have a doubt in backend for app development.

![ ](https://dev-to-uploads.s3.us-east-

2.amazonaws.com/uploads/articles/naqn3ystnlp3vpl6knph.png)

How to test the backend written is working or not using the USB when the app is in mock mode? Say the backend is working on the localhost and the frontend is working? How to test connecting it over the app?

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