inte-tests: selinux compat for config mounting (#3258)
inte-tests: selinux compat for config mounting (#3258)

`:rw` doesn't cut it, if the file is selinux-protected.
Seems to work fine without selinux as well.
cloudify-cosmo/cloudify-manager,cloudify-cosmo/cloudify-manager,cloudify-cosmo/cloudify-manager