Remove hardcoded /usr/local/bin/ paths from jenkins.sh. This caused the
*-latest tests to fail, as they have the Osmocom binaries in /usr/bin
instead of /usr/local/bin.
Related: OS#3767
Change-Id: I9d1427e66028ffd15fed211b2dab5adc37718666
Run the bscnat ttcn3 tests in docker. This uses the osmo-nitb-master
image since osmo-bsc_nat is built there as well.
Change-Id: Ibeebb0325d3d1976225666eb28db0741df2e66f0