TC_pcu_ext_rach_content BTS_Tests

Regression

Failing for the past 1 build since #2671

Took 4.2 sec (from Titan)

Stack Trace

Timeout waiting for (extended) L1CTL_RACH_CONF
      BTS_Tests.ttcn:9516 BTS_Tests control part
      BTS_Tests.ttcn:5932 TC_pcu_ext_rach_content testcase