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/redfish/events/test_bmc_snmp_config.robot b/redfish/events/test_bmc_snmp_config.robot
index 4cef11c..e72d543 100644
--- a/redfish/events/test_bmc_snmp_config.robot
+++ b/redfish/events/test_bmc_snmp_config.robot
@@ -13,7 +13,7 @@
 
 Test Teardown   FFDC On Test Case Fail
 
-Force Tags      BMC_SNMP_Config
+Test Tags       BMC_SNMP_Config
 
 *** Variables ***