added FSFW test task

example/test/FsfwTestTask.cpp

@@ -0,0 +1,12 @@
+#include "FsfwTestTask.h"
+
+FsfwTestTask::FsfwTestTask(object_id_t objectId, bool periodicEvent):
+        TestTask(objectId), periodicEvent(periodicEvent) {
+}
+
+ReturnValue_t FsfwTestTask::performPeriodicAction() {
+    if(periodicEvent) {
+        triggerEvent(TEST_EVENT, 0x1234, 0x4321);
+    }
+    return HasReturnvaluesIF::RETURN_OK;
+}