Skip power on if already powered on

Change-Id: Ic9d72889925bb4cc99c081a378f3aaf12ad5fd89
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/tests/ipmi/test_sdr.robot b/tests/ipmi/test_sdr.robot
index 57bdb7e..b70d0d1 100755
--- a/tests/ipmi/test_sdr.robot
+++ b/tests/ipmi/test_sdr.robot
@@ -217,7 +217,7 @@
 Suite Setup Execution
     [Documentation]  Do the initial suite setup.
 
-    REST Power On
+    REST Power On  stack_mode=skip
 
     ${uri_list}=  Read Properties  ${OPENBMC_BASE_URI}list
     Set Suite Variable  ${SYSTEM_URI}  ${uri_list}