CI: fix in 'ULSCH error' message reporting

Signed-off-by: Raphael Defosseux <raphael.defosseux@eurecom.fr>
13 jobs for develop in 0 seconds (queued for 12 minutes and 44 seconds)
Status Job ID Name Coverage
  External
passed Analysis with cppcheck

00:06:38

passed Build UE-ethernet

00:08:40

passed Build basic-sim

00:12:29

passed Build eNb-USRP

00:10:16

passed Build eNb-USRP-CentOS

00:05:52

passed Build eNb-ethernet

00:08:51

passed Build phy-sim

00:07:45

passed Test basic-sim

00:10:31

passed Test phy-sim

00:10:54

passed Test-FDD-Band7

00:26:44

passed Test-IF4p5-FDD-Band7

00:07:23

passed Test-IF4p5-TDD-Band40

00:06:41

failed Test-TDD-Band40

00:16:30