add distributor test stub

unittests/cfdp/CMakeLists.txt

@@ -11,4 +11,5 @@ target_sources(
           testMetadataPdu.cpp
           testFileData.cpp
           testCfdpHeader.cpp
-          testFileDirective.cpp)
+          testFileDirective.cpp
+          testDistributor.cpp)

unittests/cfdp/testAckPdu.cpp

@@ -5,7 +5,7 @@
 #include "fsfw/cfdp/pdu/AckPduSerializer.h"
 #include "fsfw/globalfunctions/arrayprinter.h"
 
-TEST_CASE("ACK PDU", "[AckPdu]") {
+TEST_CASE("ACK PDU", "[cfdp][pdu]") {
   using namespace cfdp;
   ReturnValue_t result;
   std::array<uint8_t, 256> buf = {};

unittests/cfdp/testDistributor.cpp

@@ -0,0 +1,5 @@
+#include <catch2/catch_test_macros.hpp>
+
+TEST_CASE("CFDP Distributor", "[cfdp][distributor]") {
+
+}