Replace some macros with ert-with-temp-(file|directory)

Replace some macros with ert-with-temp-(file|directory)

* test/lisp/custom-tests.el (custom-tests--with-temp-dir):
* test/lisp/files-tests.el (files-tests--with-temp-file):
* test/lisp/progmodes/project-tests.el
(project-tests--with-temporary-directory):
* test/src/emacs-module-tests.el (module--with-temp-directory):
* test/src/emacs-tests.el (emacs-tests--with-temp-file):
* test/src/lread-tests.el (lread-tests--with-temp-file):
* test/src/process-tests.el (process-tests--with-temp-directory):
Replace macros with 'ert-with-temp-(file|directory)'.  Update callers.