diff --git a/course/tests/behat/course_category_management_listing.feature b/course/tests/behat/course_category_management_listing.feature
index a07af936601..6871aae3684 100644
--- a/course/tests/behat/course_category_management_listing.feature
+++ b/course/tests/behat/course_category_management_listing.feature
@@ -295,9 +295,9 @@ Feature: Course category management interface performs as expected
       | Cat 1 | 0 | CAT1 |
     And the following "courses" exist:
       | category | fullname | shortname | idnumber | sortorder | timecreated |
-      | CAT1 | Social studies | Senior school | Ext003 | 1 | 10000000001 |
-      | CAT1 | Applied sciences  | Middle school | Sci001 | 2 | 10000000002 |
-      | CAT1 | Extended social studies  | Junior school | Ext002 | 3 | 10000000003 |
+      | CAT1 | Social studies | Senior school | Ext003 | 1 | 1000000001 |
+      | CAT1 | Applied sciences  | Middle school | Sci001 | 2 | 1000000002 |
+      | CAT1 | Extended social studies  | Junior school | Ext002 | 3 | 1000000003 |
 
     And I log in as "admin"
     And I go to the courses management page
diff --git a/course/tests/behat/course_resort.feature b/course/tests/behat/course_resort.feature
index 9cb31a97fe0..4558c899558 100644
--- a/course/tests/behat/course_resort.feature
+++ b/course/tests/behat/course_resort.feature
@@ -11,9 +11,9 @@ Feature: Test we can resort course in the management interface.
       | Cat 1 | 0 | CAT1 |
     And the following "courses" exist:
       | category | fullname | shortname | idnumber | sortorder | timecreated |
-      | CAT1 | Social studies | Senior school | Ext003 | 1 | 10000000001 |
-      | CAT1 | Applied sciences  | Middle school | Sci001 | 2 | 10000000002 |
-      | CAT1 | Extended social studies  | Junior school | Ext002 | 3 | 10000000003 |
+      | CAT1 | Social studies | Senior school | Ext003 | 1 | 1000000001 |
+      | CAT1 | Applied sciences  | Middle school | Sci001 | 2 | 1000000002 |
+      | CAT1 | Extended social studies  | Junior school | Ext002 | 3 | 1000000003 |
 
     And I log in as "admin"
     And I go to the courses management page
@@ -54,9 +54,9 @@ Feature: Test we can resort course in the management interface.
       | Cat 1 | 0 | CAT1 |
     And the following "courses" exist:
       | category | fullname | shortname | idnumber | sortorder | timecreated |
-      | CAT1 | Social studies | Senior school | Ext003 | 1 | 10000000001 |
-      | CAT1 | Applied sciences  | Middle school | Sci001 | 2 | 10000000002 |
-      | CAT1 | Extended social studies  | Junior school | Ext002 | 3 | 10000000003 |
+      | CAT1 | Social studies | Senior school | Ext003 | 1 | 1000000001 |
+      | CAT1 | Applied sciences  | Middle school | Sci001 | 2 | 1000000002 |
+      | CAT1 | Extended social studies  | Junior school | Ext002 | 3 | 1000000003 |
 
     And I log in as "admin"
     And I go to the courses management page
diff --git a/lib/tests/coursecatlib_test.php b/lib/tests/coursecatlib_test.php
index 0aa637b6b6d..5c5b1f356ba 100644
--- a/lib/tests/coursecatlib_test.php
+++ b/lib/tests/coursecatlib_test.php
@@ -396,28 +396,28 @@ class core_coursecatlib_testcase extends advanced_testcase {
             'idnumber' => '006-01',
             'shortname' => 'Biome Study',
             'fullname' => '<span lang="ar" class="multilang">'.'دراسة منطقة إحيائية'.'</span><span lang="en" class="multilang">Biome Study</span>',
-            'timecreated' => '10000000001'
+            'timecreated' => '1000000001'
         ));
         $course2 = $generator->create_course(array(
             'category' => $category->id,
             'idnumber' => '007-02',
             'shortname' => 'Chemistry Revision',
             'fullname' => 'Chemistry Revision',
-            'timecreated' => '10000000002'
+            'timecreated' => '1000000002'
         ));
         $course3 = $generator->create_course(array(
             'category' => $category->id,
             'idnumber' => '007-03',
             'shortname' => 'Swiss Rolls and Sunflowers',
             'fullname' => 'Aarkvarks guide to Swiss Rolls and Sunflowers',
-            'timecreated' => '10000000003'
+            'timecreated' => '1000000003'
         ));
         $course4 = $generator->create_course(array(
             'category' => $category->id,
             'idnumber' => '006-04',
             'shortname' => 'Scratch',
             'fullname' => '<a href="test.php">Basic Scratch</a>',
-            'timecreated' => '10000000004'
+            'timecreated' => '1000000004'
         ));
         $c1 = (int)$course1->id;
         $c2 = (int)$course2->id;