Raspberry PI3 b+ without Lora module

Hello all,
I’m creating a software and I need to receive some data from the gateway to test and debug my application.
I would like to know, can I use my raspberry PI3 b+ and Chirpstack OS WITHOUT a lora module? I don’t need a Lora network and sensors connections.
Actually I have only raspberry PI3 b+ (without lora module) and chirpstack server deployed on my local computer.

Have you seen https://github.com/brocaar/chirpstack-simulator?