Commit 15922bc1 authored by Claude Meny's avatar Claude Meny

Update 10.a/textbook.en.md, 10.a/textbook.es.md, 10.a/textbook.fr.md files

Deleted 20.test/a/textbook.en.md, 20.test/a/textbook.es.md, 20.test/a/textbook.fr.md files
parent 3ee929d8
Pipeline #7555 canceled with stage