Add integration test for procspy edges.

experimental/example/run.sh

@@ -1,21 +1,25 @@
 #!/bin/bash
 
-set -eux
+set -ex
+
+readonly ARG="$1"
 
 eval $(weave env)
 
 start_container() {
-    IMAGE=$2
-    BASENAME=$3
-    REPLICAS=$1
+    local IMAGE=$2
+    local BASENAME=$3
+    local REPLICAS=$1
     shift 3
-    HOSTNAME=$BASENAME.weave.local
+    local HOSTNAME=$BASENAME.weave.local
 
     for i in $(seq $REPLICAS); do
         if docker inspect $BASENAME$i >/dev/null 2>&1; then
             docker rm -f $BASENAME$i
         fi
-        docker run -d --name=$BASENAME$i --hostname=$HOSTNAME $@ $IMAGE
+        if [ "$ARG" != "-rm" ]; then
+            docker run -d --name=$BASENAME$i --hostname=$HOSTNAME $@ $IMAGE
+        fi
     done
 }