Do not swallow failures in http_requests
Do not swallow failures in http_requests

The callback attached to the deferredList previously swallowed failures,
such that any errors would never reach the errbacks attached and
therefore the test would not get rescheduled.

lordappsec/ooni-probe,juga0/ooni-probe,kdmurray91/ooni-probe,lordappsec/ooni-probe,lordappsec/ooni-probe,Karthikeyan-kkk/ooni-probe,juga0/ooni-probe,0xPoly/ooni-probe,0xPoly/ooni-probe,lordappsec/ooni-probe,0xPoly/ooni-probe,kdmurray91/ooni-probe,juga0/ooni-probe,Karthikeyan-kkk/ooni-probe,juga0/ooni-probe,Karthikeyan-kkk/ooni-probe,kdmurray91/ooni-probe,kdmurray91/ooni-probe,Karthikeyan-kkk/ooni-probe,0xPoly/ooni-probe