Add force tag for the date time suites

Changes:
    - Added tag name as per standard

Tested:
    - NA

Change-Id: Ia15e94253079ed9a487f5dbe5980caaa66ef323c
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/redfish/managers/test_managers_bmc_time.robot b/redfish/managers/test_managers_bmc_time.robot
index 591aafa..37c52bc 100644
--- a/redfish/managers/test_managers_bmc_time.robot
+++ b/redfish/managers/test_managers_bmc_time.robot
@@ -13,7 +13,10 @@
 Suite Setup                  Suite Setup Execution
 Suite Teardown               Suite Teardown Execution
 
+Force Tags                   Managers_BMC_Time
+
 *** Variables ***
+
 ${max_time_diff_in_seconds}  6
 # The "offset" consists of the value "26" specified for hours.  Redfish will
 # convert that to the next day + 2 hours.