Increase test timeout for buildd infrastructure.
--- a/transport_test.go
+++ b/transport_test.go
@@ -276,7 +276,7 @@
 }
 
 func TestMockTransportRespectsTimeout(t *testing.T) {
-	timeout := time.Millisecond
+	timeout := time.Second
 	client := &http.Client{
 		Timeout: timeout,
 	}
