tracker/udp_test.go | 17 +++++++----------

diff --git a/tracker/udp_test.go b/tracker/udp_test.go
index f080621f1675e6575c7248e533c78c28f3608898..1c06407168a41d3992c2656ac5597029b2d90077 100644
--- a/tracker/udp_test.go
+++ b/tracker/udp_test.go
@@ -18,6 +18,11 @@ 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 )
 
+var trackers = []string{
+	"udp://tracker.coppersurfer.tk:6969",
+	"udp://tracker.leechers-paradise.org:6969",
+}
+
 // Ensure net.IPs are stored big-endian, to match the way they're read from
 // the wire.
 func TestNetIPv4Bytes(t *testing.T) {
@@ -127,7 +132,7 @@ 		NumWant: -1,
 	}
 	rand.Read(req.PeerId[:])
 	copy(req.InfoHash[:], []uint8{0xa3, 0x56, 0x41, 0x43, 0x74, 0x23, 0xe6, 0x26, 0xd9, 0x38, 0x25, 0x4a, 0x6b, 0x80, 0x49, 0x10, 0xa6, 0x67, 0xa, 0xc1})
-	ar, err := Announce(defaultClient, defaultHTTPUserAgent, "udp://tracker.openbittorrent.com:80/announce", &req)
+	ar, err := Announce(defaultClient, defaultHTTPUserAgent, trackers[0], &req)
 	// Skip any net errors as we don't control the server.
 	if _, ok := err.(net.Error); ok {
 		t.Skip(err)
@@ -151,15 +156,7 @@ 	rand.Read(req.InfoHash[:])
 	wg := sync.WaitGroup{}
 	success := make(chan bool)
 	fail := make(chan struct{})
-	for _, url := range []string{
-		"udp://tracker.openbittorrent.com:80/announce",
-		"udp://tracker.publicbt.com:80",
-		"udp://tracker.istole.it:6969",
-		"udp://tracker.ccc.de:80",
-		"udp://tracker.open.demonii.com:1337",
-		"udp://open.demonii.com:1337",
-		"udp://exodus.desync.com:6969",
-	} {
+	for _, url := range trackers {
 		wg.Add(1)
 		go func(url string) {
 			defer wg.Done()