fix: Adds success to truefalse quiz question statements.

src/transformer/events/mod_quiz/question_answered/truefalse.php

@@ -51,6 +51,7 @@ function truefalse(array $config, \stdClass $event, \stdClass $questionattempt,
         'result' => [
             'response' => $questionattempt->responsesummary,
             'completion' => $questionattempt->responsesummary !== null,
+            'success' => $questionattempt->rightanswer === $questionattempt->responsesummary,
         ],
         'context' => [
             'platform' => $config['source_name'],

tests/mod_quiz/attempt_submitted/truefalse/data.json

@@ -53,7 +53,8 @@
             "questionusageid": 1,
             "questionid": 1,
             "questionsummary": "test_question",
-            "responsesummary": "True"
+            "responsesummary": "True",
+            "rightanswer": "True"
         }
     ],
     "question": [

tests/mod_quiz/attempt_submitted/truefalse/statements.json

@@ -118,7 +118,8 @@
         "timestamp": "2015-06-10T15:31:41+01:00",
         "result": {
             "response": "True",
-            "completion": true
+            "completion": true,
+            "success": true
         },
         "context": {
             "platform": "Moodle",