Prefer oddp/evenp to free-coding them in tests

* test/lisp/emacs-lisp/bindat-tests.el (bindat-test--sint):
* test/lisp/emacs-lisp/seq-tests.el (test-seq-drop-while)
(test-seq-take-while, test-seq-filter, test-seq-remove)
(test-seq-count, test-seq-some, test-seq-find, test-seq-every-p)
(test-seq-group-by):
* test/lisp/eshell/em-pred-tests.el (eshell-with-file-attributes-from-name):
* test/lisp/filenotify-tests.el (file-notify-test07-many-events)
(file-notify-test09-watched-file-in-watched-dir):
* test/src/floatfns-tests.el (bignum-expt, bignum-round):
* test/src/undo-tests.el (undo-test4): Prefer oddp/evenp to free-coding
them.

1 files changed, 1 insertions, 1 deletions

diff --git a/test/lisp/eshell/em-pred-tests.el b/test/lisp/eshell/em-pred-tests.el
index db8ce2c45a3..a050c6426e9 100644
--- a/test/lisp/eshell/em-pred-tests.el
+++ b/test/lisp/eshell/em-pred-tests.el
@@ -142,7 +142,7 @@ behavior for real files.
            (let ((attrs (eshell-parse-file-name-attributes file)))
              ;; For simplicity, just return whether the file is
              ;; world-executable.
-             (= (logand (or (alist-get 'modes attrs) 0) 1) 1)))))
+             (oddp (or (alist-get 'modes attrs) 0))))))
      ,@body))
 
 ;;; Tests: