[gimp] po-script-fu: skip test files from translated sources.

[Jehan <jehanp src gnome org>]

commit b02e47b03554e19bbe78bdf456009747ce3493b1
Author: Jehan <jehan girinstud io>
Date:   Fri Jul 1 21:33:36 2022 +0200

    po-script-fu: skip test files from translated sources.
    
    This apparently breaks Damned Lies. Thanks to Piotr Drąg for reporting.

 po-script-fu/POTFILES.skip | 6 ++++++
 1 file changed, 6 insertions(+)
---
diff --git a/po-script-fu/POTFILES.skip b/po-script-fu/POTFILES.skip
index bc2347b8f3..7c7f9c1ba3 100644
--- a/po-script-fu/POTFILES.skip
+++ b/po-script-fu/POTFILES.skip
@@ -48,6 +48,12 @@ plug-ins/print
 plug-ins/python
 plug-ins/screenshot
 plug-ins/script-fu/scripts/contactsheet.scm
+plug-ins/script-fu/scripts/test/test0/test0.scm
+plug-ins/script-fu/scripts/test/test1/test1.scm
+plug-ins/script-fu/scripts/test/test1/test3.scm
+plug-ins/script-fu/scripts/test/test4/test4.scm
+plug-ins/script-fu/scripts/test/test7/test7.scm
+plug-ins/script-fu/scripts/test/test8/test8.scm
 plug-ins/selection-to-path
 plug-ins/twain
 plug-ins/ui