refactor of CiviUnitTestCase

TestSubjectFactory.php

class TestSubjectFactory {

  public static function testArray($params) {
    $params = array_merge(array(
      'overrides' => array(),
      ), $params);
    switch ($params['entity']) {
      case 'group':
        $defaults = array(                                
          'name' => 'Test Group 1',                                 
          'domain_id' => 1,                                         
          'title' => 'New Test Group Created',                      
          'description' => 'New Test Group Created',                
          'is_active' => 1,                                         
          'visibility' => 'Public Pages',                           
          'group_type' => array(                                    
            '1' => 1,                                               
            '2' => 1,                                               
          )                                                        
        );
        break;
      case .... 
        etc
      default:
        throw new Exception('bad test entity'); 
    }
    return array_merge($defaults, $params['overrides']);         
  }
  
}