diff --git a/openpower/ext_interfaces/test_vmicert_management.robot b/openpower/ext_interfaces/test_vmicert_management.robot
index 2cb82ca..0423f7d 100644
--- a/openpower/ext_interfaces/test_vmicert_management.robot
+++ b/openpower/ext_interfaces/test_vmicert_management.robot
@@ -235,6 +235,64 @@
         ...  msg=One or more operations has failed.
     END
 
+Get Root Certificate And Send CSR Request Concurrently And Verify
+    [Documentation]  Get root certificate and send csr request concurrently and
+    ...  verify gets root and signed certificate.
+    [Tags]  Get_Root_Certificate_And_Send_CSR_Request_Concurrently_And_Verify
+
+    FOR  ${i}  IN RANGE  ${5}
+        ${dict}=  Execute Process Multi Keyword  ${5}
+        ...  Get Root Certificate ${OPENBMC_USERNAME} ${OPENBMC_PASSWORD} ${True} ${True} ${HTTP_OK}
+        ...  Get Certificate Signed By VMI ${OPENBMC_USERNAME} ${OPENBMC_PASSWORD} ${True} ${True} ${HTTP_OK}
+        Dictionary Should Not Contain Value  ${dict}  False
+        ...  msg=One or more operations has failed.
+    END
+
+Get Concurrent Root Certificate And Send CSR Request And Verify
+    [Documentation]  Get concurrent root certificate and send csr request
+    ...  and verify gets root certificate and signed certificate.
+    [Tags]  Get_Concurrent_Root_Certificate_And_Send_CSR_Request_And_Verify
+
+    FOR  ${i}  IN RANGE  ${5}
+        ${dict}=  Execute Process Multi Keyword  ${5}
+        ...  Get Root Certificate ${OPENBMC_USERNAME} ${OPENBMC_PASSWORD} ${True} ${True} ${HTTP_OK}
+        ...  Get Root Certificate ${OPENBMC_USERNAME} ${OPENBMC_PASSWORD} ${True} ${True} ${HTTP_OK}
+        ...  Get Certificate Signed By VMI ${OPENBMC_USERNAME} ${OPENBMC_PASSWORD} ${True} ${True} ${HTTP_OK}
+        Dictionary Should Not Contain Value  ${dict}  False
+        ...  msg=One or more operations has failed.
+    END
+
+Get Root Certificate And Send Multiple CSR Requests Concurrently And Verify
+    [Documentation]  Get root certificate and send multiple csr requests concurrently and
+    ...  verify gets root certificate and signed certificates.
+    [Tags]  Get_Root_Certificate_And_Send_Multiple_CSR_Requests_Concurrently_And_Verify
+
+    FOR  ${i}  IN RANGE  ${5}
+        ${dict}=  Execute Process Multi Keyword  ${5}
+        ...  Get Root Certificate ${OPENBMC_USERNAME} ${OPENBMC_PASSWORD} ${True} ${True} ${HTTP_OK}
+        ...  Get Certificate Signed By VMI ${OPENBMC_USERNAME} ${OPENBMC_PASSWORD} ${True} ${True} ${HTTP_OK}
+        ...  Get Certificate Signed By VMI ${OPENBMC_USERNAME} ${OPENBMC_PASSWORD} ${True} ${True} ${HTTP_OK}
+        ...  Get Certificate Signed By VMI ${OPENBMC_USERNAME} ${OPENBMC_PASSWORD} ${True} ${True} ${HTTP_OK}
+        ...  Get Certificate Signed By VMI ${OPENBMC_USERNAME} ${OPENBMC_PASSWORD} ${True} ${True} ${HTTP_OK}
+        Dictionary Should Not Contain Value  ${dict}  False
+        ...  msg=One or more operations has failed.
+    END
+
+Get Root Certificate And Send Multiple Corrupted CSR Requests Concurrently And Verify
+    [Documentation]  Get root certificate and send multiple corrupted csr requests concurrently and
+    ...  verify gets root certificate and error for corrupted csr requests.
+    [Tags]  Get_Root_Certificate_And_Send_Multiple_Corrupted_CSR_Requests_Concurrently_And_Verify
+
+    FOR  ${i}  IN RANGE  ${5}
+        ${dict}=  Execute Process Multi Keyword  ${5}
+        ...  Get Root Certificate ${OPENBMC_USERNAME} ${OPENBMC_PASSWORD} ${True} ${True} ${HTTP_OK}
+        ...  Get Certificate Signed By VMI ${OPENBMC_USERNAME} ${OPENBMC_PASSWORD} ${True} ${False} ${HTTP_INTERNAL_SERVER_ERROR}
+        ...  Get Certificate Signed By VMI ${OPENBMC_USERNAME} ${OPENBMC_PASSWORD} ${True} ${False} ${HTTP_INTERNAL_SERVER_ERROR}
+        ...  Get Certificate Signed By VMI ${OPENBMC_USERNAME} ${OPENBMC_PASSWORD} ${True} ${False} ${HTTP_INTERNAL_SERVER_ERROR}
+        Dictionary Should Not Contain Value  ${dict}  False
+        ...  msg=One or more operations has failed.
+    END
+
 *** Keywords ***
 
 Generate CSR String