[dv] Update sec_cm testplan

Also update keymgr testplan to add additional check for sec_cm
Signed-off-by: Weicai Yang <weicai@google.com>
diff --git a/hw/dv/tools/dvsim/testplans/harden_countermeasures_testplan.hjson b/hw/dv/tools/dvsim/testplans/sec_cm_testplan.hjson
similarity index 92%
rename from hw/dv/tools/dvsim/testplans/harden_countermeasures_testplan.hjson
rename to hw/dv/tools/dvsim/testplans/sec_cm_testplan.hjson
index 7dea3a4..a283887 100644
--- a/hw/dv/tools/dvsim/testplans/harden_countermeasures_testplan.hjson
+++ b/hw/dv/tools/dvsim/testplans/sec_cm_testplan.hjson
@@ -18,7 +18,7 @@
             - Check that err_code/fault_status is updated correctly and preserved until reset.
             - Check the following operation should be failed if applicable.'''
       milestone: V2
-      tests: ["{name}_harden_countermeasures"]
+      tests: ["{name}_sec_cm"]
     }
     {
       name: redundant_coding_fsm_check
@@ -31,7 +31,7 @@
 
             Same checks as `one_hot_check`'''
       milestone: V2
-      tests: ["{name}_harden_countermeasures"]
+      tests: ["{name}_sec_cm"]
     }
     {
       name: hardened_counter_check
@@ -45,7 +45,7 @@
 
             Same checks as `one_hot_check`'''
       milestone: V2
-      tests: ["{name}_harden_countermeasures"]
+      tests: ["{name}_sec_cm"]
     }
   ]
 }
diff --git a/hw/ip/keymgr/data/keymgr_testplan.hjson b/hw/ip/keymgr/data/keymgr_testplan.hjson
index 045adf5..e5214a7 100644
--- a/hw/ip/keymgr/data/keymgr_testplan.hjson
+++ b/hw/ip/keymgr/data/keymgr_testplan.hjson
@@ -8,7 +8,7 @@
                      "hw/dv/tools/dvsim/testplans/alert_test_testplan.hjson",
                      "hw/dv/tools/dvsim/testplans/tl_device_access_types_testplan.hjson",
                      "hw/dv/tools/dvsim/testplans/shadow_reg_errors_testplan.hjson",
-                     "hw/dv/tools/dvsim/testplans/harden_countermeasures_testplan.hjson",
+                     "hw/dv/tools/dvsim/testplans/sec_cm_testplan.hjson",
                      "hw/dv/tools/dvsim/testplans/stress_all_with_reset_testplan.hjson"]
   testpoints: [
     {
@@ -179,6 +179,21 @@
       tests: ["keymgr_sync_async_fault_cross"]
     }
     {
+      name: sec_cm_check
+      desc: '''
+            Verify the outcome after injecting faults to security countermeasures.
+
+            Stimulus:
+            As mentioned in `sec_cm_testplan`.
+
+            Checks:
+            - Besides checking alert and `fault_status`, issue an operation after injecting faults,
+              then ensure that `op_status` is failed and design enters `StInvalid`.
+            '''
+      milestone: V2
+      tests: ["keymgr_sec_cm"]
+    }
+    {
       name: stress_all
       desc: '''
             - Combine above sequences in one test to run sequentially, except csr sequence and