test should fail if gpu is not available

src/main.rs

@@ -7,7 +7,7 @@ use std::rc::Rc;
 use std::time::Duration;
 
 use actix::prelude::*;
-use anyhow::Context;
+use anyhow::{anyhow, Context};
 use chrono::Utc;
 use clap::Parser;
 use futures::prelude::*;
@@ -199,8 +199,12 @@ async fn run<RUNTIME: process::Runtime + Clone + Unpin + 'static>(
             return Ok(());
         }
         Command::Test => {
-            offer_template::gpu_detection(&runtime_config)?;
-            return Ok(());
+            match offer_template::gpu_detection(&runtime_config)
+            {
+                Ok(Some(_)) => return Ok(()),
+                Ok(None) => return Err(anyhow!("Gpu not available")),
+                Err(e) => return Err(anyhow!(e)),
+            }
         }
     };