add more tests, including a failing one
add more tests, including a failing one

raintank/metrictank,raintank/metrictank,OOM-Killer/metrictank,raintank/metrictank,OOM-Killer/metrictank,raintank/raintank-metric,raintank/raintank-metric,replay/metrictank,raintank/raintank-metric,replay/metrictank,raintank/metrictank,OOM-Killer/metrictank,replay/metrictank,replay/metrictank