@markusthoemmes makes sense to negate a successful test. Changing the `ping.js`
```diff
@@ -28,3 +28,5 @@
return promise;
}
+
+main({payload:"www.google.com"})
```
And then executing it `node ping.js` shows following
```
$ node ping.js
Pinging to www.google.com
stdout PING www.google.com (172.217.166.100): 56 data bytes
64 bytes from 172.217.166.100: icmp_seq=0 ttl=53 time=74.176 ms
64 bytes from 172.217.166.100: icmp_seq=1 ttl=53 time=106.975 ms
--- www.google.com ping statistics ---
3 packets transmitted, 2 packets received, 33.3% packet loss
round-trip min/avg/max/stddev = 74.176/90.576/106.975/16.399 ms
stderr
```
Would create a PR for that change
[ Full content available at:
https://github.com/apache/incubator-openwhisk/issues/4013 ]
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