fix default args and add more tests for config update #7820

Job	Run time
build (matsim)	45s
build (contribs/vsp)	5m 1s
build (contribs/common)	8m 53s
build (contribs/taxi)	4m 36s
build (contribs/minibus)	6m 52s
build (contribs/signals)	4m 32s
build (contribs/bicycle)	2m 7s
build (contribs/cadytsIntegration)	1m 8s
build (contribs/drt)	6m 9s
build (contribs/drt-extensions)	9m 49s
build (contribs/discrete_mode_choice)	1m 47s
build (contribs/carsharing)	2m 59s
build (contribs/commercialTrafficApplications)	2m 37s
build (contribs/av)	1m 39s
build (contribs/locationchoice)	1m 42s
build (contribs/ev)	1m 24s
build (contribs/dvrp)	1m 10s
build (contribs/emissions)	1m 36s
build (contribs/decongestion)	2m 24s
build (contribs/noise)	1m 27s
build (contribs/accidents)	59s
build (contribs/freight)	8m 7s
build (contribs/freightreceiver)	51s
build (contribs/parking)	1m 19s
build (contribs/matrixbasedptrouter)	58s
build (contribs/accessibility)	1m 5s
build (contribs/integration)	56s
build (contribs/multimodal)	2m 2s
build (contribs/protobuf)	1m 32s
build (contribs/shared_mobility)	2m 22s
build (contribs/socnetsim)	1m 24s
build (contribs/sumo)	51s
build (contribs/pseudosimulation)	1m 16s
build (contribs/railsim)	3m 47s
build (contribs/roadpricing)	2m 13s
build (contribs/analysis)	1m 0s
build (contribs/hybridsim)	58s
build (contribs/informed-mode-choice)	5m 2s
build (contribs/otfvis)	1m 7s
build (contribs/osm)	50s
build (contribs/application)	1m 17s
build (contribs/simwrapper)	8m 8s
build (contribs/sbb-extensions)	56s
build (contribs/simulatedannealing)	1m 19s
build (benchmark)	47s
verify-all-jobs-successful (push-or-external-PR)	1s
	1h 59m 44s

Provide feedback