fvcMap.put("BestNoSQL", 1d);
fvcMap.put("SpringSource", 2d);
TailSource tailSource = newTailSource();
tailTweets(tailSource);
FieldValueCounterSink sink = metrics().newFieldValueCounterSink("fromUser");
stream().create(generateStreamName(), "%s | %s", tailSource, sink);
Table t = sink.constructFVCDisplay(fvcMap);
assertThat(sink, eventually(hasValue(t)));
}