qa_crowbarsetup.sh: also disable the test update channel
qa_crowbarsetup.sh: also disable the test update channel

aspiers/automation,gosipyan/automation,SUSE-Cloud/automation,gosipyan/automation,gosipyan/automation,SUSE-Cloud/automation,aspiers/automation,aspiers/automation,SUSE-Cloud/automation,gosipyan/automation,vmoravec/automation,aspiers/automation,vmoravec/automation,SUSE-Cloud/automation,vmoravec/automation,vmoravec/automation