GUI:Updated All Sections In Certificate Page test

Changes:- Updated all sections in certificate page test
Tested :-
    -  Successfully ran this from gui/gui_test/security_and_access_menu/test_certificates_sub_menu.robot

Change-Id: I952848672ddf273d3fada7d42fde1f41be014625
Signed-off-by: rramyasr-in <rramyasr@in.ibm.com>
diff --git a/gui/gui_test/security_and_access_menu/test_certificates_sub_menu.robot b/gui/gui_test/security_and_access_menu/test_certificates_sub_menu.robot
index f5f4512..e2ad068 100644
--- a/gui/gui_test/security_and_access_menu/test_certificates_sub_menu.robot
+++ b/gui/gui_test/security_and_access_menu/test_certificates_sub_menu.robot
@@ -46,6 +46,8 @@
     [Tags]  Verify_Existence_Of_All_Sections_In_Certificate_Page
 
     Page should contain  Certificate
+    Page should contain  Issued by
+    Page should contain  Issued to
     Page should contain  Valid from
     Page should contain  Valid until