always call clear_environment
always call clear_environment

isaac-s/cloudify-system-tests,codilime/cloudify-system-tests,isaac-s/cloudify-system-tests,isaac-s/cloudify-system-tests,codilime/cloudify-system-tests,codilime/cloudify-system-tests,cloudify-cosmo/cloudify-system-tests,cloudify-cosmo/cloudify-system-tests