Index: openacs-4/packages/xowiki/tcl/test/xowiki-admin-tests-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/xowiki/tcl/test/xowiki-admin-tests-procs.tcl,v
diff -u -r1.1.2.26 -r1.1.2.27
--- openacs-4/packages/xowiki/tcl/test/xowiki-admin-tests-procs.tcl	23 Mar 2023 14:31:19 -0000	1.1.2.26
+++ openacs-4/packages/xowiki/tcl/test/xowiki-admin-tests-procs.tcl	20 Apr 2023 15:16:40 -0000	1.1.2.27
@@ -6,6 +6,26 @@
 
 }
 
+aa_register_case -cats {
+    smoke production_safe
+} -procs {
+    util::which
+    apm_tar_cmd
+    apm_gzip_cmd
+} xowiki_exec_dependencies {
+    Test external command dependencies for this package.
+} {
+    foreach cmd [list \
+                     [::util::which tar] \
+                     [::util::which ffmpeg] \
+                     [::util::which convert] \
+                     [::util::which tidy] \
+                     [::util::which clamdscan]
+                    ] {
+        aa_true "'$cmd' is executable" [file executable $cmd]
+    }
+}
+
 aa_register_case \
     -cats {api smoke} \
     -procs {
Index: openacs-4/packages/xowf/tcl/test/xowf-test-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/xowf/tcl/test/xowf-test-procs.tcl,v
diff -u -r1.14.2.22 -r1.14.2.23
--- openacs-4/packages/xowf/tcl/test/xowf-test-procs.tcl	25 Feb 2022 12:56:18 -0000	1.14.2.22
+++ openacs-4/packages/xowf/tcl/test/xowf-test-procs.tcl	20 Apr 2023 15:21:28 -0000	1.14.2.23
@@ -435,6 +435,20 @@
             }
         }
 
+    aa_register_case -cats {
+        smoke production_safe
+    } -procs {
+        util::which
+    } xowf_exec_dependencies {
+        Test external command dependencies for this package.
+    } {
+        foreach cmd [list \
+                         [::util::which qrencode] \
+                    ] {
+            aa_true "'$cmd' is executable" [file executable $cmd]
+        }
+    }
+
 }
 
 #