Add tests for 'cluster create' and 'cluster update' commands.
Add tests for 'cluster create' and 'cluster update' commands.

yogesh2021/qds-sdk-py,qubole/qds-sdk-py,rohitpruthi95/qds-sdk-py,jainavi/qds-sdk-py,tanishgupta1/qds-sdk-py-1,vrajat/qds-sdk-py,prakharjain09/qds-sdk-py,adeshr/qds-sdk-py,msumit/qds-sdk-py