Fixing build errors

test.go

@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"github.com/layeh/gumble/gumble"
 	"github.com/layeh/gumble/gumbleutil"
+	"os"
 	"time"
 )
 
@@ -42,7 +43,10 @@ func (t TestSettings) testYoutubeSong() {
 	//	if err := dummyClient.Connect(); err != nil {
 	//		panic(err)
 	//	}
-	dummyUser := dj.client.Users.Find("BottleOToast") // May be nil
+	if dummyUser := dj.client.Users.Find("BottleOToast"); dummyUser == nil {
+		fmt.Printf("User does not exist")
+		os.Exit(1)
+	}
 
 	// Don't judge, I used the (autogenerated) Top Tracks for United Kingdom playlist
 	songs := map[string]string{