master 98a17f3: Make recent dired tests check for external executables

[Glenn Morris]

branch: master
commit 98a17f30b8314e40a1edefac3d542d3e105c7bd6
Author: Glenn Morris <rgm@gnu.org>
Commit: Glenn Morris <rgm@gnu.org>

    Make recent dired tests check for external executables
    
    * test/lisp/dired-aux-tests.el (dired-test-bug47058-tar)
    (dired-test-bug47058-zip): Add skip conditions.
---
 test/lisp/dired-aux-tests.el | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/test/lisp/dired-aux-tests.el b/test/lisp/dired-aux-tests.el
index 5888f4c..af0d8b0 100644
--- a/test/lisp/dired-aux-tests.el
+++ b/test/lisp/dired-aux-tests.el
@@ -160,12 +160,16 @@
 
 (ert-deftest dired-test-bug47058-tar ()
   "test for https://debbugs.gnu.org/47058 ."
+  (skip-unless (and (executable-find "tar")
+                    (executable-find "gzip")))
   (dired-test-bug47058-fn "tar -cf - %i | gzip -c9 > %o"
                            "gzip -dc %i | tar -xf - -C %c"
                            ".tar.gz"))
 
 (ert-deftest dired-test-bug47058-zip ()
   "test for https://debbugs.gnu.org/47058 ."
+  (skip-unless (and (executable-find "zip")
+                    (executable-find "unzip")))
   (dired-test-bug47058-fn "zip %o -r --filesync %i"
                            "unzip -o -d %o %i"
                            ".zip"))