TC_rsl_modify_encr BTS_Tests:hopping

Failing for the past 2 builds since #6

Took 7.5 sec (from Titan)

Stack Trace

"BTS_Tests.ttcn:7658 : Timeout waiting for UNIT_DATA_IND"
      BTS_Tests.ttcn:9466 BTS_Tests control part
      BTS_Tests.ttcn:7793 TC_rsl_modify_encr testcase