Implemented message source block for unit testing
diff --git a/include/grgsm/misc_utils/CMakeLists.txt b/include/grgsm/misc_utils/CMakeLists.txt
index 8b74fc7..000b7ef 100644
--- a/include/grgsm/misc_utils/CMakeLists.txt
+++ b/include/grgsm/misc_utils/CMakeLists.txt
@@ -31,5 +31,6 @@
     controlled_rotator_cc.h
     controlled_const_source_f.h
     message_printer.h 
-    tmsi_dumper.h DESTINATION include/grgsm/misc_utils
+    tmsi_dumper.h 
+    message_source.h DESTINATION include/grgsm/misc_utils
 )