diff --git a/redfish/dmtf_tools/test_redfishtool_certificate.robot b/redfish/dmtf_tools/test_redfishtool_certificate.robot
index e006f22..ebd2b78 100644
--- a/redfish/dmtf_tools/test_redfishtool_certificate.robot
+++ b/redfish/dmtf_tools/test_redfishtool_certificate.robot
@@ -400,7 +400,7 @@
 
     ${expected_resp}=  Set Variable If
     ...  '${expected_status}' == 'ok'     ${HTTP_OK}, ${HTTP_NO_CONTENT}
-    ...  '${expected_status}' == 'error'  ${HTTP_NOT_FOUND},${HTTP_INTERNAL_SERVER_ERROR} 
+    ...  '${expected_status}' == 'error'  ${HTTP_NOT_FOUND},${HTTP_INTERNAL_SERVER_ERROR}
 
     ${response}=  Redfishtool Post
     ...  ${payload}  /redfish/v1/CertificateService/Actions/CertificateService.ReplaceCertificate