Increase timeout on network stability test

Resolves  openbmc/openbmc-test-automation#1067
Change-Id: I63308bd0ce33aedd6dd44366e5ade19941df541f
Signed-off-by: Steven Sombar <ssombar@us.ibm.com>
diff --git a/systest/network_stability_test.robot b/systest/network_stability_test.robot
index cfc0119..25cbabb 100644
--- a/systest/network_stability_test.robot
+++ b/systest/network_stability_test.robot
@@ -67,7 +67,8 @@
     [Documentation]  Start creating network activity over BMC network.
 
     # REST GET enumerate call.
-    OpenBMC Get Request  /xyz/openbmc_project/enumerate  quiet=${1}
+    OpenBMC Get Request
+    ...  /xyz/openbmc_project/inventory/enumerate  timeout=${20}  quiet=${1}
 
     # Upload 32 MB data via REST to BMC.
     REST Upload File To BMC