Updated openstack/openstack
Project: openstack/ceilometer  cde891623904185c4ecdbcf2a1d352c9460c4d2a

Tests for system and network aggregate pollsters

In hardware pollsters, no test is available for
verifying systems statistics and network aggregate
related meters. This patch adds tests for both.

Change-Id: I57a66181622be3f27b5d0e6e3e446df159db84a0
Closes-Bug: #1390786