Switch from Force Tags to Test Tags

Force Tags is deprecated in Robot 7.0 and will eventually
warn and then after that stop working. Test Tags performs
the same function per docs.

Change-Id: I7cf305754b247b995a05d8da3b9de9ed613ecae2
Signed-off-by: Matt Fischer <matthew.fischer@hpe.com>
diff --git a/openpower/pel/test_bmc_pel.robot b/openpower/pel/test_bmc_pel.robot
index aa2dbb3..6f7f8c8 100644
--- a/openpower/pel/test_bmc_pel.robot
+++ b/openpower/pel/test_bmc_pel.robot
@@ -11,7 +11,7 @@
 Test Setup      Redfish.Login
 Test Teardown   Run Keywords  Redfish.Logout  AND  FFDC On Test Case Fail
 
-Force Tags      Bmc_Pel
+Test Tags      Bmc_Pel
 
 *** Variables ***