QA output created by 1602
== start two test Redis servers
PING1
PONG

PING2
PONG

== redis-cli set two keys
OK
OK

== pminfo get two metrics

sample.long.one
    value 1

sample.long.ten
    value 10

== redis-cli get two keys
1
10

== redis-cli empty key set


== redis-cli handle errors
ERR wrong number of arguments for 'get' command


== all done
