// TODO(peleyal): ZeroBackOffRequestInitializer can go into http testing package?
static class ZeroBackOffRequestInitializer implements HttpRequestInitializer {
public void initialize(HttpRequest request) {
request.setIOExceptionHandler(new HttpBackOffIOExceptionHandler(BackOff.ZERO_BACKOFF));
request.setUnsuccessfulResponseHandler(
new HttpBackOffUnsuccessfulResponseHandler(BackOff.ZERO_BACKOFF));
}