Fixed test for revoking ungranted capabilities on Role.
Fixed test for revoking ungranted capabilities on Role.

sullivanmatt/splunk-sdk-python,kkirsche/splunk-sdk-python,kkirsche/splunk-sdk-python,lowtalker/splunk-sdk-python,ww9rivers/splunk-sdk-python,kkirsche/splunk-sdk-python,splunk/splunk-sdk-python,kkirsche/splunk-sdk-python,splunk/splunk-sdk-python