containerized Jenkins (#179)

Co-authored-by: Michael Hoennig <michael@hoennig.de>
Reviewed-on: https://dev.hostsharing.net/hostsharing/hs.hsadmin.ng/pulls/179
Reviewed-by: Timotheus Pokorra <timotheus.pokorra@hostsharing.net>

.aliases

@@ -129,8 +129,7 @@ function _gwTest() {
     # delierately in separate gradlew-calls to avoid Testcontains-PostgreSQL problem spillover
     time (_gwTest1 unitTest "$@" &&
         _gwTest1 officeIntegrationTest bookingIntegrationTest hostingIntegrationTest "$@" &&
-        _gwTest1 scenarioTest "$@" &&
-        _gwTest1 importHostingAssets "$@");
+        _gwTest1 scenarioTest "$@" && _gwTest1 migrationTest "$@");
   elif [ $# -eq 0 ] || [[ $1 == -* ]]; then
     time _gwTest1 test "$@";
   else