diff --git a/question/type/numerical/simpletest/testquestiontype.php b/question/type/numerical/simpletest/testquestiontype.php
new file mode 100644
index 0000000000000..824ae5f9b99c1
--- /dev/null
+++ b/question/type/numerical/simpletest/testquestiontype.php
@@ -0,0 +1,82 @@
+<?php
+/**
+ * Unit tests for (some of) question/type/numerical/questiontype.php.
+ *
+ * @copyright &copy; 2006 The Open University
+ * @author T.J.Hunt@open.ac.uk
+ * @license http://www.gnu.org/copyleft/gpl.html GNU Public License
+ * @package question
+ */
+
+/** */
+require_once(dirname(__FILE__) . '/../../../../config.php');
+
+global $CFG;
+require_once($CFG->libdir . '/simpletestlib.php');
+require_once($CFG->dirroot . '/question/type/numerical/questiontype.php');
+
+class question_numerical_qtype_test extends UnitTestCase {
+    var $qtype;
+    
+    function setUp() {
+        $this->qtype = new question_numerical_qtype();
+    }
+    
+    function tearDown() {
+        $this->qtype = null;   
+    }
+
+    function test_name() {
+        $this->assertEqual($this->qtype->name(), 'numerical');
+    }
+
+//    function test_get_question_options() {
+//    }
+//
+//    function test_get_numerical_units() {
+//    }
+//
+//    function test_get_default_numerical_unit() {
+//    }
+//
+//    function test_save_question_options() {
+//    }
+//
+//    function test_save_numerical_units() {
+//    }
+//
+//    function test_delete_question() {
+//    }
+//
+//    function test_compare_responses() {
+//    }
+//
+//    function test_test_response() {
+//    }
+//
+//    function test_check_response(){
+//    }
+//
+//    function test_grade_responses() {
+//    }
+//
+//    function test_get_correct_responses() {
+//    }
+//
+//    function test_get_all_responses() {
+//    }
+
+    function test_get_tolerance_interval() {
+    }
+
+    function test_apply_unit() {
+    }
+
+//    function test_backup() {
+//    }
+//
+//    function test_restore() {
+//    }
+}
+
+?>
diff --git a/question/type/shortanswer/questiontype.php b/question/type/shortanswer/questiontype.php
index 703b7b1113706..92f810492e0b3 100644
--- a/question/type/shortanswer/questiontype.php
+++ b/question/type/shortanswer/questiontype.php
@@ -10,6 +10,7 @@
 /// This class contains some special features in order to make the
 /// question type embeddable within a multianswer (cloze) question
 ///
+require_once("$CFG->dirroot/question/type/questiontype.php");
 
 class question_shortanswer_qtype extends default_questiontype {