Moved RAS test case to extended as it needs Host OS IP.

Resolves  openbmc/openbmc-test-automation#496

Change-Id: I52ca633de7663226cf9ae5d85b55396e1602fb35
Signed-off-by: Sridevi Ramesh <sridevra@in.ibm.com>
diff --git a/tests/test_ras.robot b/extended/test_ras.robot
similarity index 100%
rename from tests/test_ras.robot
rename to extended/test_ras.robot