Verify installation of expired CA, client certificates

Signed-off-by: Anusha Dathatri <adathatr@in.ibm.com>
Change-Id: Id343ce7964b05df14a55f30f02de4c0336590b50
diff --git a/redfish/managers/test_certificate.robot b/redfish/managers/test_certificate.robot
index 2f88184..06745fc 100644
--- a/redfish/managers/test_certificate.robot
+++ b/redfish/managers/test_certificate.robot
@@ -182,6 +182,20 @@
     Client      EC                  ${EMPTY}          ${invalid_value}  error
 
 
+Verify Expired Client Certificate Install
+    [Documentation]  Verify installation of expired CA certificate.
+    [Tags]  Verify_Expired_Client_Certificate_Install
+
+    Install And Verify Certificate Via Redfish  Client  Expired Certificate  error
+
+
+Verify Expired CA Certificate Install
+    [Documentation]  Verify installation of expired CA certificate.
+    [Tags]  Verify_Expired_CA_Certificate_Install
+
+    Install And Verify Certificate Via Redfish  CA  Expired Certificate  error
+
+
 *** Keywords ***
 
 Install And Verify Certificate Via Redfish