enable default handler functionality

Author: reinierl

core/src/main/scala/chargepoint/docile/dsl/DocileConnection.scala

@@ -83,9 +83,10 @@ trait DocileConnection[
             ()
           }
 
-          receivedMsgManager.enqueue(
-            GenericIncomingMessage[OutgoingReqBound, IncomingResBound, OutgoingReqRes, IncomingReqBound, OutgoingResBound, IncomingReqRes](req, respond _)
-          )
+          val incomingMsg = GenericIncomingMessage[OutgoingReqBound, IncomingResBound, OutgoingReqRes, IncomingReqBound, OutgoingResBound, IncomingReqRes](req, respond _)
+          val incomingMsgHandler = incomingMessageHandlerStack.find(_.accepts(incomingMsg))
+
+          incomingMsgHandler.map(_.fireSideEffects(incomingMsg)).getOrElse(receivedMsgManager.enqueue(incomingMsg))
 
           // TODO nicer conversion?
           responsePromise.future.map(_.asInstanceOf[RES])(ec)

core/src/main/scala/chargepoint/docile/dsl/GenericIncomingMessageProcessor.scala

@@ -40,7 +40,7 @@ trait GenericIncomingMessageProcessor[
    * Execute the side effects of this processor.
    *
    * In an OCPP test, this is supposed to happen when an assertion expecting a
-   * certain incoming message has received an inomcing message that matches
+   * certain incoming message has received an incoming message that matches
    * the expectation.
    */
   def fireSideEffects(msg: IncomingMessage): Unit