Add /xyz/openbmc_project/ipmi/internal/soft_power_off in skip list

Change-Id: If68434dce6bdd7e56d3c9d3bf3c795ff8011ebc6
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/tests/test_rest_interfaces.robot b/tests/test_rest_interfaces.robot
index 1693f45..3089166 100644
--- a/tests/test_rest_interfaces.robot
+++ b/tests/test_rest_interfaces.robot
@@ -339,6 +339,7 @@
     ...  /xyz/openbmc_project/certs/authority/ldap
     ...  /xyz/openbmc_project/ipmi
     ...  /xyz/openbmc_project/ipmi/internal
+    ...  /xyz/openbmc_project/ipmi/internal/soft_power_off
 
     ${error_uri_list}=  Create List
     :FOR  ${uri}  IN  @{uri_list}