potential fix for tests failing on Travis CI
potential fix for tests failing on Travis CI

torpedro/codeocean,openHPI/codeocean,openHPI/codeocean,torpedro/codeocean,torpedro/codeocean,flxw/codeocean,openHPI/codeocean,openHPI/codeocean,openHPI/codeocean,flxw/codeocean,flxw/codeocean,flxw/codeocean,torpedro/codeocean,torpedro/codeocean,flxw/codeocean,openHPI/codeocean