ccm had implemention of multi dc support for sni_proxy and changed the sni_proxy_docker_id to a list sni_proxy_docker_ids since the code in the test was using the new list, the sni_proxy was stop and removed, causing the next test to fail, since it would reuse the sni_proxy
ccm had implemention of multi dc support for sni_proxy and changed the
sni_proxy_docker_idto a listsni_proxy_docker_idssince the code in the test was using the new list, the sni_proxy was stop and removed, causing the next test to fail, since it would reuse the sni_proxy