Add get harbor version case (#5039)

Add get harbor version case

tests/resources/Harbor-Util.robot

@@ -172,3 +172,7 @@ Wait for Harbor Ready
     \  Return From Keyword If  ${status}  ${HARBOR_IP}
     \  Sleep  30s
     Fail Harbor failed to come up properly!
+
+Get Harbor Version
+    ${rc}  ${output}=  Run And Return Rc And Output  curl -k -X GET --header 'Accept: application/json' 'https://${ip}/api/systeminfo'|grep -i harbor_version
+    Log To Console  ${output}

tests/robot-cases/Group11-Nightly/Nightly.robot

@@ -25,6 +25,10 @@ ${SSH_USER}  root
 ${HARBOR_ADMIN}  admin
 
 *** Test Cases ***
+Test Case - Get Harbor Version
+#Just get harbor version and log it
+    Get Harbor Version
+
 Test Case - Vulnerability Data Not Ready
 #This case must run before vulnerability db ready
     Init Chrome Driver