RFR: Make sure we have at least one memory pool per memory manager (JMX)

[Aleksey Shipilev]

On 09/05/2017 12:26 PM, Roman Kennke wrote:
> http://cr.openjdk.java.net/~rkennke/jmxmempools/webrev.01/

You can probably inline and remove fail() in the test. Otherwise, looks good.

-Aleksey