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/update_service/test_bmc_image_switch.robot b/redfish/update_service/test_bmc_image_switch.robot
index 9904334..77e839e 100755
--- a/redfish/update_service/test_bmc_image_switch.robot
+++ b/redfish/update_service/test_bmc_image_switch.robot
@@ -11,7 +11,7 @@
 Suite Teardown           Run Keyword And Ignore Error  Redfish.Logout
 Test Teardown            FFDC On Test Case Fail
 
-Force Tags    Test_BMC_Image_Switch
+Force Tags               Bmc_Image_Switch
 
 *** Variables ***