[2376] Tests for the createCallbacks function

src/lib/datasrc/tests/Makefile.am

@@ -59,6 +59,7 @@ run_unittests_SOURCES += zonetable_unittest.cc
 run_unittests_SOURCES += zone_finder_context_unittest.cc
 run_unittests_SOURCES += faked_nsec3.h faked_nsec3.cc
 run_unittests_SOURCES += client_list_unittest.cc
+run_unittests_SOURCES += loader_context_test.cc
 
 # We need the actual module implementation in the tests (they are not part
 # of libdatasrc)