Range over expected in ctrie iterator test

Author: tylertreat-wf

trie/ctrie/ctrie_test.go

@@ -293,7 +293,7 @@ func TestIterator(t *testing.T) {
 	close(cancel)
 	// Drain anything already put on the channel. Since select chooses a
 	// pseudo-random case, we must attempt to drain for every item.
-	for i := 0; i < 10; i++ {
+	for _ = range expected {
 		<-iter
 	}
 	_, ok = <-iter