websocket: better error message in a test

R=golang-dev, dsymonds
CC=golang-dev
https://golang.org/cl/5185045

diff --git a/src/pkg/websocket/websocket_test.go b/src/pkg/websocket/websocket_test.go
index d2834cd1fc2e3fced985fb27954db50da83db490..240af4e49bbb4d345328037a72f5580fa0ac5adc 100644 (file)
--- a/src/pkg/websocket/websocket_test.go
+++ b/src/pkg/websocket/websocket_test.go
@@ -227,7 +227,7 @@ func TestTrailingSpaces(t *testing.T) {
                // body
                ws, err := DialConfig(config)
                if err != nil {
-                       t.Error("Dial failed:", err.String())
+                       t.Errorf("Dial #%d failed: %v", i, err)
                        break
                }
                ws.Close()