MDL-76362 question: Refactor question number unit tests

question/engine/tests/coverage.php

@@ -0,0 +1,37 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+defined('MOODLE_INTERNAL') || die();
+
+/**
+ * Coverage information for the question_engine.
+ *
+ * @copyright  2022 Andrew Nicols <andrew@nicols.co.uk>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+return new class extends phpunit_coverage_info {
+    /** @var array The list of files relative to the plugin root to include in coverage generation. */
+    protected $includelistfiles = [
+        'bank.php',
+        'datalib.php',
+        'lib.php',
+        'questionattempt.php',
+        'questionattemptstep.php',
+        'questionusage.php',
+        'renderer.php',
+        'states.php',
+    ];
+};

question/engine/tests/helpers.php

@@ -1391,22 +1391,3 @@ public function close() {
         $this->records = null;
     }
 }
-
-/**
- * Helper class for tests that help to test core_question_renderer.
- *
- * @copyright  2018 Huong Nguyen <huongnv13@gmail.com>
- * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
- */
-class testable_core_question_renderer extends core_question_renderer {
-
-    /**
-     * Test the private number function.
-     *
-     * @param null|string $number
-     * @return HTML
-     */
-    public function number($number) {
-        return parent::number($number);
-    }
-}