Redfish update test suite Force tags as per standard

Changes:
   - Update Tags names for the test suite

Note: Refer CONTRIBUTING.md for under Tags section
      documentation.

Tested:
   - NA

Change-Id: Ice5fa1a185876774d9e9bce4ff53f834b2a1f652
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/redfish/extended/test_power_restore.robot b/redfish/extended/test_power_restore.robot
index 0ca0923..c84854d 100644
--- a/redfish/extended/test_power_restore.robot
+++ b/redfish/extended/test_power_restore.robot
@@ -17,7 +17,7 @@
 Test Teardown   Test Teardown Execution
 Suite Teardown  Suite Teardown Execution
 
-Force Tags      power_restore
+Force Tags      Power_Restore
 
 *** Variables ***