FIxing a few glitches in STC and scenarios.

Change-Id: I55379c53392ad94e5c5d41b6ceb77d2382fa0d29
diff --git a/tools/test/scenarios/net-pingall.xml b/tools/test/scenarios/net-pingall.xml
index 41d7354..babdfa6 100644
--- a/tools/test/scenarios/net-pingall.xml
+++ b/tools/test/scenarios/net-pingall.xml
@@ -23,7 +23,7 @@
               exec="onos-check-apps ${OC1} drivers,openflow,proxyarp,fwd"/>
 
         <step name="Ping-All-And-Verify" requires="Check-Apps"
-              exec="onos-mininet sendAndExpect py net.pingAll(1) --expect Results: .% dropped"/>
+              exec="onos-mininet sendAndExpect py net.pingAll(1) --expect 600/600 received"/>
 
         <step name="Check-Summary-For-Hosts" requires="~Ping-All-And-Verify"
               exec="onos-check-summary ${OC1} [0-9]* 25 140 25"/>