Tests: Create vlang var for the text of a list of test where a question is used

main/inc/lib/exercise.lib.php

@@ -1689,11 +1689,11 @@ HOTSPOT;
                 get_lang('Course'),
                 get_lang('Session'),
                 get_lang('Quiz'),
-                get_lang('Link')
+                get_lang('LinkToTheQuestionListOfThatTest')
             ];
 
             $title = Display::div(
-                'This question is used in the following tests:',
+                get_lang('QuestionUsedInTheFollowingTests'),
                 [
                     'class' => 'section-title',
                     'style' => 'margin-top: 25px; border-bottom: none'

main/lang/english/trad4all.inc.php

@@ -8703,4 +8703,6 @@ $ToInvoice = "To invoice";
 $LearningPathItemByAuthor = "LP item by author";
 $DeleteExerciseAttempts = "Delete also the exercise attempts. If not check then the exercise results will still be available in the exercise tool.";
 $ExerciseCategoriesRadarMode = "Only show a radar of scores by category, instead of a table of categories. Do not show individual scores or feedback.";
+$QuestionUsedInTheFollowingTests = "This question is used in the following tests:";
+$LinkToTheQuestionListOfThatTest = "Link to the questions list of that test";
 ?>