test: Remove misguided emacs testing utilities

The goal of this abstraction was to save space.  But that failed as
the result actually was that four trivial lines got replace with 15
fairly complicated lines.  The opposite of what it was supposed to
do.

Also it made it harder to come up with the fix in the previous commit;
simply grepping for the relevant symbols did not work because they get
constructed at run-time instead of appearing in the source file.