Lift the Gemfile to the root of the test installation.
Lift the Gemfile to the root of the test installation.

This lets bundle exec work for all rubygem wrapped commands in the
test framework.

Also arrange for run_unit_tests to return failure if any of its
components fail.

rsalevsky/crowbar,toabctl/crowbar,MaximilianMeister/crowbar,crowbar/crowbar,rhafer/crowbar,rhafer/crowbar,aspiers/crowbar,mmnelemane/crowbar,nkrinner/crowbar,MaximilianMeister/crowbar,mmnelemane/crowbar,tserong/crowbar,crowbar/crowbar,vwallfahrer/crowbar,SUSE-Cloud/crowbar,vwallfahrer/crowbar,nkrinner/crowbar,rsalevsky/crowbar,rhafer/crowbar,tserong/crowbar,SUSE-Cloud/crowbar,dirkmueller/crowbar,dirkmueller/crowbar,aspiers/crowbar,aplanas/crowbar,aplanas/crowbar,toabctl/crowbar