1) make sure you have a cloud
2) make sure that you have the instance view visible and that you selected the cloud (combo) you will rename
3) select your cloud the cloud view, choose "Edit Connection" in the context-menu
4) change the name and hit finish
Result:
The CloudView does not update the name of the cloud, the Name Combo in the InstanceView is not updated
Expected result:
The CloudView shows the new name of the cloud, the Combo in the instances view now shows the new name