fix resolver_test

app/resolver_test.go

@@ -15,6 +15,7 @@ func TestResolver(t *testing.T) {
 	defer func() { tick = oldTick }()
 	c := make(chan time.Time)
 	tick = func(_ time.Duration) <-chan time.Time { return c }
+
 	oldLookupIP := lookupIP
 	defer func() { lookupIP = oldLookupIP }()
 	ips := map[string][]net.IP{}
@@ -32,24 +33,17 @@ func TestResolver(t *testing.T) {
 	adds := make(chan string)
 	add := func(s string) { adds <- s }
 
-	r := newStaticResolver([]string{"symbolic.name" + port}, add)
-
-	//c <- time.Now() // trigger initial resolve, with no endpoints
-	//select {
-	//case <-time.After(time.Millisecond):
-	//case s := <-adds:
-	//	t.Errorf("got unexpected add: %q", s)
-	//}
+	r := newStaticResolver([]string{"symbolic.name" + port, "namewithnoport", ip1 + port, ip2}, add)
 
 	assertAdd := func(want string) {
+		_, _, line, _ := runtime.Caller(1)
 		select {
 		case have := <-adds:
 			if want != have {
-				_, _, line, _ := runtime.Caller(1)
 				t.Errorf("line %d: want %q, have %q", line, want, have)
 			}
 		case <-time.After(time.Millisecond):
-			t.Fatal("didn't get add in time")
+			t.Fatalf("line %d: didn't get add in time", line)
 		}
 	}