
ISO signing via a remote server may fail due to network hiccups. Retry on errors. TESTS ====================================== 1) Run build-iso Jenkins job normally and make sure it works 2) Run build-iso with SIGNING_SERVER set to an invalid host name and make sure it retries Story: 2010226 Task: 48064 Signed-off-by: Davlet Panech <davlet.panech@windriver.com> Change-Id: Icaa8e07827ddfcc2583f875e5a57247ce7bf8613