scenarios related to nova-compute,cinder and neutron

This blueprint is to add more scenarios related to nova-compute, cinder and neutron. The main aim is to measure the non-functional requirements such as Scalability, Performance and Concurrency. This test cases help us to determine different types of parameters such as scale limit and concurrency, as it differs from cloud to cloud, also to check performance degradation while it is reaching the scale limits. To achieve this it has been created different scenarios and measure each of the above parameter.