adding polartest and ldpctest to build script

5 jobs for develop-nr in 0 seconds (queued for 9 minutes and 43 seconds)
Status Job ID Name Coverage
  External
passed Analysis with cppcheck

00:07:58

failed Build eNb-USRP

00:09:15

passed Build gNb-usrp

00:10:15

passed Build nr-UE-usrp

00:09:44

failed Build phy-sim

00:08:00