fix(tests): don't use localhost since it expands to different things
fix(tests): don't use localhost since it expands to different things

Signed-off-by: Raul Gutierrez S <f25f6873bbbde69f1fe653b3e6bd40d543b8d0e0@itevenworks.net>

cmsd2/rust-zookeeper,cmsd2/rust-zookeeper,bonifaido/rust-zookeeper,bonifaido/rust-zookeeper