Add tests for instance documentation module

• Faires les tests pour le module documentation de l'instance
• Ajouter les commentaires
• Faire les améliorations SonarQube

added Improvment label

assigned to @tguillas

changed title from Add tests for documentation module to Add tests for instance documentation module

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created merge request !4 (merged) to address this issue

mentioned in merge request !4 (merged)

changed the description

closed with commit dc991962

mentioned in merge request !5 (merged)

mentioned in commit 2385dc60

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mentioned in merge request !7 (merged)

mentioned in commit c031c1d6