nettoyer le timestamp des noms de fichier avant de tester le file_exists

tests/imagesrc.html

@@ -8,7 +8,7 @@
 #SET{img1,#CHEMIN{tests/imagetest.jpg}|image_masque{tests/masque-305x85.png}|image_renforcement{0.1}|image_aplatir{jpg}|extraire_attribut{src}}
 #SET{img2,#CHEMIN{tests/imagetest.jpg}|image_masque{tests/masque-305x85.png}|image_renforcement{0.1}|image_aplatir{jpg}|extraire_attribut{src}}
 #SET{ok,OK}
-[(#GET{img1}|file_exists|non) Image [(#GET{img1})] inexistante <br />#SET{ok,''}]
-[(#GET{img2}|file_exists|non) Image [(#GET{img2})] inexistante <br />#SET{ok,''}]
+[(#GET{img1}|supprimer_timestamp|file_exists|non) Image [(#GET{img1})] inexistante <br />#SET{ok,''}]
+[(#GET{img2}|supprimer_timestamp|file_exists|non) Image [(#GET{img2})] inexistante <br />#SET{ok,''}]
 [(#GET{img1}|=={#GET{img2}}|non) Resultat incoherent : meme chaine de filtre produit 2 images differentes [(#GET{img1})]<>[(#GET{img2})] <br />#SET{ok,''}]
 #GET{ok}