Update REST setting service name

This change is needed due to recent change in the service name
from settings.service to phosphor-settings.service.

Change-Id: I20c441e7609011d3af32596059a3ccdd75aaef55
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/tests/test_openbmc_service_restart_policy.robot b/tests/test_openbmc_service_restart_policy.robot
index 8c42028..b1cc91d 100644
--- a/tests/test_openbmc_service_restart_policy.robot
+++ b/tests/test_openbmc_service_restart_policy.robot
@@ -64,18 +64,18 @@
     ...                 does restart after that
 
     ${MainPID}=   Execute Restart Policy Command
-    ...   systemctl -p MainPID show settings.service| cut -d = -f2
+    ...   systemctl -p MainPID show phosphor-settings.service| cut -d = -f2
     Should Not Be Equal     0   ${MainPID}
 
     Execute Restart Policy Command    kill -9 ${MainPID}
     Sleep   30s   reason=Wait for service to restart properly
 
     ${ActiveState}=   Execute Restart Policy Command
-    ...   systemctl -p ActiveState show settings.service| cut -d = -f2
+    ...   systemctl -p ActiveState show phosphor-settings.service| cut -d = -f2
     Should Be Equal     active   ${ActiveState}
 
     ${MainPID}=   Execute Restart Policy Command
-    ...  systemctl -p MainPID show settings.service| cut -d = -f2
+    ...  systemctl -p MainPID show phosphor-settings.service| cut -d = -f2
     Should Not Be Equal     0   ${MainPID}