def validate_zookeeper_fault_tolerance():
zk2 = KazooClient(hosts=str(runtime.get_active_config('<STR_LIT>') + '<STR_LIT>'))<EOL>zk2.start()<EOL>assert zk2.exists("<STR_LIT>"), "<STR_LIT>"<EOL>zk2.stop()<EOL>
Validate that we can still connect to zookeeper instance 2 to read the node