integration test: adjusts timeout

This change waits
* for the update of heat stack status
* less time that the scale up occur
* a bit that gnocchi measures are ingested

Change-Id: Ic347e9eda88a251859b482c90325dfb374d88cf8
1 file changed
tree: 853ec945b38559444b6a0caccf21d8191eb43c30
  1. ceilometer/