TC_upf_echo_req EPDG_Tests

Regression

Failing for the past 1 build since #276

Took 22 ms (from Titan)

Stack Trace

Could not connect DIAMETER socket, check your configuration
      EPDG_Tests.ttcn:1365 EPDG_Tests control part
      EPDG_Tests.ttcn:1327 TC_upf_echo_req testcase