test: fix test should_fail_getting_torrents_when_the_offset_query_parameter_cannot_be_parsed

```
servers::api::v1::contract::context::torrent::should_fail_getting_torrents_when_the_offset_query_parameter_cannot_be_parsed
```

Author: josecelano

tests/servers/api/v1/contract/context/torrent.rs

@@ -189,7 +189,7 @@ async fn should_fail_getting_torrents_when_the_offset_query_parameter_cannot_be_
             )
             .await;
 
-        assert_bad_request(response, "Failed to deserialize query string: invalid digit found in string").await;
+        assert_bad_request(response, "Failed to deserialize query string: offset: invalid digit found in string").await;
     }
 
     env.stop().await;