tests/test-gendoc-el.t

simplemerge: use `ctx.decoddeddata()` instead of `repo.wreaddata`

This eliminates the need for the `repo` object.

Differential Revision: https://phab.mercurial-scm.org/D435

#require docutils gettext

  $ $TESTDIR/check-gendoc el
  checking for parse errors