Adapt test code to fixed message direction

Move the handleClosePeriodicEventStreamRequest() implementation from the
client side to the server side in the test code.

Author: robert-s-ubi

ocpp-v2-test/src/main/java/eu/chargetime/ocpp/test/OCPP21MultiProtocolDummyHandlers.java

@@ -76,6 +76,14 @@ public NotifyReportResponse handleNotifyReportRequest(
 
   public ServerDiagnosticsEventHandler createOCPP21ServerDiagnosticsEventHandler() {
     return new ServerDiagnosticsEventHandler() {
+      @Override
+      public ClosePeriodicEventStreamResponse handleClosePeriodicEventStreamRequest(
+              UUID sessionIndex, ClosePeriodicEventStreamRequest request) {
+        setReceivedRequest(request);
+        ClosePeriodicEventStreamResponse response = new ClosePeriodicEventStreamResponse();
+        return failurePoint(response);
+      }
+
       @Override
       public LogStatusNotificationResponse handleLogStatusNotificationRequest(
           UUID sessionIndex, LogStatusNotificationRequest request) {

ocpp-v2-test/src/main/java/eu/chargetime/ocpp/test/OCPP21MultiProtocolFakeChargingStation.java

@@ -120,13 +120,6 @@ public ClearVariableMonitoringResponse handleClearVariableMonitoringRequest(
                 return new ClearVariableMonitoringResponse(new ClearMonitoringResult[] {});
               }
 
-              @Override
-              public ClosePeriodicEventStreamResponse handleClosePeriodicEventStreamRequest(
-                  ClosePeriodicEventStreamRequest request) {
-                receivedRequest = request;
-                return new ClosePeriodicEventStreamResponse();
-              }
-
               @Override
               public CustomerInformationResponse handleCustomerInformationRequest(
                   CustomerInformationRequest request) {