MDL-54008 tz: Avoid using Caracas tz

Changed in May 2016.

lib/tests/scheduled_task_test.php

@@ -132,8 +132,9 @@ class core_scheduled_task_testcase extends advanced_testcase {
         // We are testing a difference between $CFG->timezone and the php.ini timezone.
         // GMT+8.
         date_default_timezone_set('Australia/Perth');
-        // GMT-04:30.
-        $CFG->timezone = 'America/Caracas';
+
+        // GMT+04:30.
+        $CFG->timezone = 'Asia/Kabul';
 
         $testclass = new \core\task\scheduled_test_task();
 
@@ -149,9 +150,9 @@ class core_scheduled_task_testcase extends advanced_testcase {
         $userdate = userdate($nexttime);
 
         // Should be displayed in user timezone.
-        // I used http://www.timeanddate.com/worldclock/fixedtime.html?msg=Moodle+Test&iso=20140314T01&p1=58
-        // to verify this time.
-        $this->assertContains('11:15 AM', core_text::strtoupper($userdate));
+        // I used http://www.timeanddate.com/worldclock/fixedtime.html?msg=Moodle+Test&iso=20160502T01&p1=113
+        // setting my location to Kathmandu to verify this time.
+        $this->assertContains('2:15 AM', core_text::strtoupper($userdate));
 
         $CFG->timezone = $currenttimezonecfg;
         date_default_timezone_set($currenttimezonephp);