Update .gitlab-ci.yml

2 jobs for master in 9 minutes and 28 seconds
Name Stage Failure
failed
build Test
[INFO] Downloaded from central: https://repo.maven.apache.org/maven2/junit/junit/4.12/junit-4.12.jar (315 kB at 1.1 MB/s)
[INFO] Downloaded from central: https://repo.maven.apache.org/maven2/com/thoughtworks/qdox/qdox/2.0-M8/qdox-2.0-M8.jar (316 kB at 1.1 MB/s)
[INFO] Downloaded from central: https://repo.maven.apache.org/maven2/org/codehaus/plexus/plexus-utils/1.5.15/plexus-utils-1.5.15.jar (228 kB at 654 kB/s)
#
# There is insufficient memory for the Java Runtime Environment to continue.
# Native memory allocation (mmap) failed to map 42467328 bytes for committing reserved memory.
# An error report file with more information is saved as:
# /builds/gitlab/hft_gitlab/regionchooser/hs_err_pid5290.log
ERROR: Job failed: exit code 1