Basic in memory implementation of network Manager
diff --git a/core/vpn/engine/wireguard_test.go b/core/vpn/engine/wireguard_test.go
index 39488e3..04927af 100644
--- a/core/vpn/engine/wireguard_test.go
+++ b/core/vpn/engine/wireguard_test.go
@@ -113,7 +113,8 @@
 		p := <-ping
 		if p.Err != "" {
 			t.Error(p.Err)
+		} else {
+			log.Printf("Ping received: %+v\n", p)
 		}
-		log.Printf("Ping received: %+v\n", p)
 	}
 }