While running a multi-node test, it's easy to accidentally enter the same hostname in the hosts parameter twice. As this isn't a supported configuration (running multiple tests simultaneously on a host), an error should be thrown whenever non-unique hosts are provided.
While running a multi-node test, it's easy to accidentally enter the same hostname in the
hostsparameter twice. As this isn't a supported configuration (running multiple tests simultaneously on a host), an error should be thrown whenever non-unique hosts are provided.