Add automated unit tests

1 job for testing in 19 seconds (queued for 2 seconds)
Name Stage Failure
failed
test Test
 * [new branch]      sebastian          -> origin/sebastian
* [new branch] testing -> origin/testing
Checking out f960be8b as testing...

Skipping Git submodules setup
$ export ASTRA_SCENARIO_PATH=/nas/ivtmatsim/tests/astra_2018_002/1pm
$ mvn test -DargLine="-Xmx25G"
/bin/sh: eval: line 71: mvn: not found
ERROR: Job failed: exit code 127