test_ctxpopup.c: Use normal internal function instead of macro.
test_ctxpopup.c: Use normal internal function instead of macro.

This fixes unused pointer value warning which was spotted by coverity.
CID 1039978 ~ 1039981.

rvandegrift/elementary,rvandegrift/elementary,tasn/elementary,tasn/elementary,FlorentRevest/Elementary,tasn/elementary,tasn/elementary,FlorentRevest/Elementary,rvandegrift/elementary,rvandegrift/elementary,FlorentRevest/Elementary,tasn/elementary,FlorentRevest/Elementary