Add tests/test_user.robot to skip list.

Moving to skip list as the test is in org.

Resolves openbmc/openbmc-test-automation#874

Change-Id: I9aa916dee8708d6cbb164613ddd0c43166a80ed7
Signed-off-by: Sweta Potthuri <spotthur@in.ibm.com>
diff --git a/tests/test_user.robot b/tests/test_user.robot
index 89739a6..952c4b8 100755
--- a/tests/test_user.robot
+++ b/tests/test_user.robot
@@ -17,6 +17,8 @@
 Library             String
 Test Teardown       FFDC On Test Case Fail
 
+Force Tags  User_Management
+
 *** Variables ***
 ${RANDOM_STRING_LENGTH}    ${8}
 ${VALID_PASSWORD}          abc123