added test_communicator_basic-udp test case for buildbot

.buildbot/firefly-x86_64-amdepyc_test_tng.sh

@@ -3,6 +3,6 @@
 # echo "Skipped"
 
 pushd src/transport
-make check TESTS='test_communicator_basic-tcp test_communicator_rekey-tcp test_communicator_basic-unix'
+make check TESTS='test_communicator_basic-tcp test_communicator_rekey-tcp test_communicator_basic-unix test_communicator_basic-udp'
 pkill --signal 9 -U buildbot gnunet
 popd