We were calling cinder.ClientException even when the import
had changed to be cinder.cinder_exception.ClientException
Adds 3 tests for the methods calling that exception so
failures will be tested as well.
Co-Authored-By: zhurong <aaronzhu1121@gmail.com>
Change-Id: I8c415eb8ef847f6dc34fa56fca3181560ead366b
Closes-Bug: #1537713
Closes-Bug: #1535215
fb8bedc375