default-test - Code tidy

questiontestrun.php

@@ -202,7 +202,7 @@ if (empty($testscases) && $canedit) {
     echo html_writer::end_tag('form');
 }
 
-if (empty($testscases) && !$defaulttest) {
+if (empty($testscases)) {
     $defaulttest = stack_bulk_tester::create_default_test($question);
     $defaulttestresult = $defaulttest->test_question($questionid, $seed, $context);
     echo stack_string('runquestiontests_explanation');

stack/questiontest.php

@@ -99,7 +99,6 @@ class stack_question_test {
         $quba->process_action($slot, $response);
 
         $results = new stack_question_test_result($this);
-        $results->question = $question;
         $results->set_questionpenalty($question->penalty);
         foreach ($this->inputs as $inputname => $notused) {
             // Check input still exits, could have been deleted in a question.