If you want several of your test to run at the same time, you can try creating a test group. Create a file in /app/tests/groups/ and name it something like your_test_group_name.group.php. In this file, extend GroupTest and import test as follows:

<?php 
class TryGroupTest extends GroupTest { 
  var $label = 'try'; 
  function tryGroupTest() { 
    TestManager::addTestCasesFromDirectory($this, APP_TEST_CASES . DS . 'models'); 
  } 
} 
?> 

1. <?php
2. class TryGroupTest extends GroupTest {
3. var $label = 'try';
4. function tryGroupTest() {
5. TestManager::addTestCasesFromDirectory($this, APP_TEST_CASES . DS . 'models');
6. }
7. }
8. ?>

The code above will group all test cases found in the /app/tests/cases/models/ folder. To add an individual file, use TestManager::addTestFile($this, filename).