Update emsdriver csit test

Issue-ID: VFC-345
Change-Id: I44028a6e36d094da01f59c387480465122f18e9a
Signed-off-by: yangyan <yangyanyj@chinamobile.com>
diff --git a/test/csit/tests/vfc/nfvo-driver-ems/test.robot b/test/csit/tests/vfc/nfvo-driver-ems/test.robot
index ebbcf8a..e1a5776 100755
--- a/test/csit/tests/vfc/nfvo-driver-ems/test.robot
+++ b/test/csit/tests/vfc/nfvo-driver-ems/test.robot
@@ -6,16 +6,19 @@
 
 *** Variables ***
 @{return_ok_list}=   200  201  202
-${queryswagger_url}    /api/emsdriver/v1/swagger
+${queryswagger_url}    /api/emsdriver/v1/swagger.json
 
 *** Test Cases ***
 EMSDriverSwaggerTest
     [Documentation]    query swagger info of emsdriver
     ${headers}    Create Dictionary    Content-Type=application/json    Accept=application/json
-    Create Session    web_session    http://${MSB_IAG_IP}:80    headers=${headers}
+    Create Session    web_session    http://${EMS_DRV_IP}:8206    headers=${headers}
     ${resp}=  Get Request    web_session    ${queryswagger_url}
     ${responese_code}=     Convert To String      ${resp.status_code}
-    Should Be Equal    2.0    2.0
+    List Should Contain Value    ${return_ok_list}   ${responese_code}
+    ${response_json}    json.loads    ${resp.content}
+    ${swagger_version}=    Convert To String      ${response_json['swagger']}
+    Should Be Equal    ${swagger_version}    2.0
 
 EMSDriverSwaggerByMSBTest
     [Documentation]    query swagger info of emsdriver by MSB