/**
     * Test case for custom context classes
     */
    public function costcenter_custom_contexts_setup() {
     
        global $CFG;
        static $customcontexts = array(
            27 => 'context_costcenter'
       
        );

        // save any existing custom contexts
        $existingcustomcontexts = get_config(null, 'custom_context_classes');

        set_config('custom_context_classes', serialize($customcontexts));
        initialise_cfg();
        context_helper::reset_levels();
        $alllevels = context_helper::get_all_levels();
        
      ///  $this->assertEquals($alllevels[11], 'context_costcenter');
        

        // clean-up & restore any custom contexts
        //set_config('custom_context_classes', ($existingcustomcontexts === false) ? null : $existingcustomcontexts);
       // initialise_cfg();
       // context_helper::reset_levels();
      //  $alllevels = context_helper::get_all_levels();
        
      //  print_object($alllevels);
    }

 /**
  * Load global $CFG;
  * @internal
  * @static
  * @return void
  */
 public static function initialise_cfg()
 {
     global $DB;
     $dbhash = false;
     try {
         $dbhash = $DB->get_field('config', 'value', array('name' => 'phpunittest'));
     } catch (Exception $e) {
         // not installed yet
         initialise_cfg();
         return;
     }
     if ($dbhash !== core_component::get_all_versions_hash()) {
         // do not set CFG - the only way forward is to drop and reinstall
         return;
     }
     // standard CFG init
     initialise_cfg();
 }

// Messagelib functions
require_once $CFG->libdir . '/modinfolib.php';
// Cached information on course-module instances
// make sure PHP is not severly misconfigured
setup_validate_php_configuration();
// Connect to the database
setup_DB();
// Disable errors for now - needed for installation when debug enabled in config.php
if (isset($CFG->debug)) {
    $originalconfigdebug = $CFG->debug;
    unset($CFG->debug);
} else {
    $originalconfigdebug = -1;
}
// Load up any configuration from the config table
initialise_cfg();
// Verify upgrade is not running unless we are in a script that needs to execute in any case
if (!defined('NO_UPGRADE_CHECK') and isset($CFG->upgraderunning)) {
    if ($CFG->upgraderunning < time()) {
        unset_config('upgraderunning');
    } else {
        print_error('upgraderunning');
    }
}
// Turn on SQL logging if required
if (!empty($CFG->logsql)) {
    $DB->set_logging(true);
}
// Prevent warnings from roles when upgrading with debug on
if (isset($CFG->debug)) {
    $originaldatabasedebug = $CFG->debug;

 /**
  * Reset contents of all database tables to initial values, reset caches, etc.
  */
 public static function reset_all_data()
 {
     // Reset database.
     self::reset_database();
     // Purge dataroot directory.
     self::reset_dataroot();
     // Reset all static caches.
     accesslib_clear_all_caches(true);
     // Reset the nasty strings list used during the last test.
     nasty_strings::reset_used_strings();
     filter_manager::reset_caches();
     // Reset course and module caches.
     if (class_exists('format_base')) {
         // If file containing class is not loaded, there is no cache there anyway.
         format_base::reset_course_cache(0);
     }
     get_fast_modinfo(0, 0, true);
     // Inform data generator.
     self::get_data_generator()->reset();
     // Initialise $CFG with default values. This is needed for behat cli process, so we don't have modified
     // $CFG values from the old run. @see set_config.
     initialise_cfg();
 }

 function costcenter_custom_contexts_setup() {
     
        global $CFG;
        static $customcontexts = array(
            27 => 'context_costcenter'
       
        );

        // save any existing custom contexts
        $existingcustomcontexts = get_config(null, 'custom_context_classes');

        set_config('custom_context_classes', serialize($customcontexts));
        initialise_cfg();
        context_helper::reset_levels();
        $alllevels = context_helper::get_all_levels();        

    }

 /**
  * Test case for custom context classes
  */
 public function test_customcontexts()
 {
     global $CFG;
     static $customcontexts = array(11 => 'context_bogus1', 12 => 'context_bogus2', 13 => 'context_bogus3');
     // save any existing custom contexts
     $existingcustomcontexts = get_config(null, 'custom_context_classes');
     set_config('custom_context_classes', serialize($customcontexts));
     initialise_cfg();
     context_helper::reset_levels();
     $alllevels = context_helper::get_all_levels();
     $this->assertEquals($alllevels[11], 'context_bogus1');
     $this->assertEquals($alllevels[12], 'context_bogus2');
     $this->assertEquals($alllevels[13], 'context_bogus3');
     // clean-up & restore any custom contexts
     set_config('custom_context_classes', $existingcustomcontexts === false ? null : $existingcustomcontexts);
     initialise_cfg();
     context_helper::reset_levels();
 }