Renamed xcat_testing.robot file to xcat_group_testing.robot.

This file will be used to perform only group related test cases.

Resolves openbmc/openbmc-test-automation#814

Change-Id: I4ea5d525e1abc9d4e5df24330c16380a12e744b9
Signed-off-by: Rahul Maheshwari <rahulmaheshwari@in.ibm.com>
diff --git a/xcat/xcat_testing.robot b/xcat/test_xcat_group.robot
similarity index 100%
rename from xcat/xcat_testing.robot
rename to xcat/test_xcat_group.robot