Added 'tests clear' before running unit tests.
Added 'tests clear' before running unit tests.

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