Prefer incf to cl-incf in tests

Prefer incf to cl-incf in tests

* test/lisp/emacs-lisp/bytecomp-tests.el (bytecomp-reify-function):
* test/lisp/emacs-lisp/cl-extra-tests.el (cl-getf):
* test/lisp/emacs-lisp/cl-macs-tests.el
(cl-macs-loop-for-as-arith-order-side-effects)
(cl-macs-loop-for-as-equals-then, cl-macs-loop-do, cl-macs-loop-finally)
(cl-macs-loop-in-ref, cl-macs-loop-being-elements-of-ref)
(cl-macs-test--symbol-macrolet, cl-the):
* test/lisp/emacs-lisp/cl-seq-tests.el (cl-lib-test-remove)
(cl-lib-test-remove-if-not):
* test/lisp/emacs-lisp/edebug-resources/edebug-test-code.el
(edebug-test-code-range):
* test/lisp/emacs-lisp/edebug-tests.el (edebug-tests-deduplicate):
* test/lisp/emacs-lisp/generator-tests.el (cps-while-incf):
(cps-test-iter-cleanup-once-only):
* test/lisp/emacs-lisp/hierarchy-tests.el
(hierarchy-labelfn-button-if-does-not-button-unless-condition)
(hierarchy-labelfn-button-if-does-button-when-condition):
* test/lisp/emacs-lisp/let-alist-tests.el (let-alist-evaluate-once):
* test/lisp/emacs-lisp/lisp-mode-tests.el
(indent-sexp, lisp-indent-region):
* test/lisp/emacs-lisp/map-tests.el (test-map-elt-gv)
(test-setf-map-with-function):
* test/lisp/emacs-lisp/multisession-tests.el (multi-test-sqlite-simple)
(multi-test-sqlite-busy, multi-test-files-simple)
(multi-test-files-busy):
* test/lisp/emacs-lisp/oclosure-tests.el
(oclosure-test, oclosure-test-mutate):
* test/lisp/emacs-lisp/track-changes-tests.el
(track-changes-tests--random):
* test/lisp/files-tests.el (files-tests--with-buffer-offer-save):
* test/lisp/net/shr-tests.el (shr-test/zoom-image):
* test/lisp/replace-tests.el (replace-tests-with-undo):
* test/src/buffer-tests.el (test-overlay-randomly):
* test/src/data-tests.el (test-bool-vector-bv-from-hex-string):
* test/src/fns-tests.el (fns-tests-sort):
* test/src/json-tests.el (json-insert/signal, json-insert/throw):
* test/src/minibuf-tests.el (minibuf-tests--strings-to-symbol-alist)
(minibuf-tests--strings-to-string-alist)
(minibuf-tests--strings-to-string-hashtable)
(minibuf-tests--strings-to-symbol-hashtable):
* test/src/process-tests.el (make-process/file-handler/found): Prefer
incf to cl-incf.

(cherry picked from commit 042dc5929b706b5fbc0ea8ada6014661d44a1b53)