Add unit test to get an entity with an ambiguous name.
Add unit test to get an entity with an ambiguous name.

splunk/splunk-sdk-php,shakeelmohamed/splunk-sdk-php,unikent/splunk-sdk-php,unikent/splunk-sdk-php,unikent/splunk-sdk-php,shakeelmohamed/splunk-sdk-php,shakeelmohamed/splunk-sdk-php,splunk/splunk-sdk-php,splunk/splunk-sdk-php