Fix smoke test when there are more than 25k measurements
Fix smoke test when there are more than 25k measurements

Only check for metrics in the last hour so API and CLI don't get
overwhelmed by number of measurements

Change-Id: I06a956b56bf2989172f3a20b5da335fc1020eb1d

srsakhamuri/monasca-ansible-scripts,srsakhamuri/monasca-ansible-scripts,srsakhamuri/monasca-ansible-scripts