MAINT: added todo concerning unused file

test/CMakeLists.txt

@@ -24,6 +24,7 @@
 set(test_cases
     test_connection
     test_transaction
+	#test_file_transmission TODO add once fixed
     test_ccaosdb
     )
 

test/test_file_transmission.cpp

@@ -36,6 +36,12 @@ using caosdb::entity::v1alpha1::RegisterFileUploadResponse;
 using caosdb::entity::v1alpha1::RegistrationStatus;
 using caosdb::entity::v1alpha1::TransmissionStatus;
 
+
+// TODO(tf) this file is currently not used (see CMakeLists.txt)
+// Is it still necessary or is it obsolete due to test_transaction.cpp?
+// RegisterFileDownloadResponse is currently not defined by proto or the h
+// file.
+
 class test_file_transmission : public ::testing::Test {
 protected:
   void SetUp() override {}