public void processingChain() {
String processingChainUnderTest = "transform --expression='payload.toUpperCase()' | filter --expression='payload.length() > 4'";
SingleNodeProcessingChain chain = chain(application, "eezypeasy", processingChainUnderTest);
chain.sendPayload("hello");
String result = (String) chain.receivePayload(RECEIVE_TIMEOUT);
assertEquals("HELLO", result);
chain.sendPayload("a");
result = (String) chain.receivePayload(RECEIVE_TIMEOUT);