automation fix for vmi certificate

-fix response status code in test case

Change-Id: I7aa016ec6907141b3b8434581f30c966ebf78dfb
Signed-off-by: shradha suman <shrsuman@in.ibm.com>
diff --git a/openpower/ext_interfaces/test_vmicert_management.robot b/openpower/ext_interfaces/test_vmicert_management.robot
index f2785f7..88129be 100644
--- a/openpower/ext_interfaces/test_vmicert_management.robot
+++ b/openpower/ext_interfaces/test_vmicert_management.robot
@@ -77,13 +77,13 @@
     ${OPENBMC_USERNAME}  ${OPENBMC_PASSWORD}  ${True}       ${True}    ${HTTP_INTERNAL_SERVER_ERROR}
 
     # Send CSR request from operator user.
-    operator_user        TestPwd123           ${False}      ${True}    ${HTTP_INTERNAL_SERVER_ERROR}
+    operator_user        TestPwd123           ${False}      ${True}    ${HTTP_FORBIDDEN}
 
     # Send CSR request from ReadOnly user.
-    readonly_user        TestPwd123           ${False}      ${True}    ${HTTP_INTERNAL_SERVER_ERROR}
+    readonly_user        TestPwd123           ${False}      ${True}    ${HTTP_FORBIDDEN}
 
     # Send CSR request from NoAccess user.
-    noaccess_user        TestPwd123           ${False}      ${True}    ${HTTP_INTERNAL_SERVER_ERROR}
+    noaccess_user        TestPwd123           ${False}      ${True}    ${HTTP_FORBIDDEN}
 
 Get Corrupted CSR Request Signed By VMI And Verify
     [Documentation]  Send corrupted CSR for signing and expect an error.