Add missing tag name

Change-Id: Ia52c7fa248d5b62e10be33e968675f7993b7695e
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/extended/test_os_reboot.robot b/extended/test_os_reboot.robot
index 9d46f9e..48a59fc 100644
--- a/extended/test_os_reboot.robot
+++ b/extended/test_os_reboot.robot
@@ -17,6 +17,8 @@
 Host Reboot Loop
     [Documentation]  Boot OS and trigger reboot and expect
     ...              OS to boot back.
+    [Tags]  Host_Reboot_Loop
+
     # 1. Boot OS
     # 2. Verify OS is booted
     # 3. Issue "reboot" from OS