health-server: Avoid CPU benchmark if not enought hosts
health-server: Avoid CPU benchmark if not enought hosts

If the maximum number of hosts defined by a range is greater than the
number of expected hosts to run the complete serie then the job shall be
cancelled.

lebauce/edeploy,enovance/edeploy,lebauce/edeploy,enovance/edeploy,lebauce/edeploy,enovance/edeploy,lebauce/edeploy,redhat-cip/edeploy,enovance/edeploy,redhat-cip/edeploy,redhat-cip/edeploy,redhat-cip/edeploy