gistfile1.txt

function waitForMail($subject) {
$lastExceptionMessage = '';
      for ($second = 0; ; $second+=2) {
          if ($second > 45) {
              $this->fail(
                  "WaitFor timeout. \n"
                  . "Last exception message: \n" . $lastExceptionMessage
              );
          }
          $this->clickAndWait('link=Search');
          $this->type('css=input[name=what]', $users[$i]->email);
          $this->select('css=select[name=where]', 'To');
          $this->clickAndWait('css=input[type=submit][value=Search]');
          try {
            $this->assertElementPresent("xpath=(//a[contains(@title, '$subject')])[last()]");
            return;
          }

          catch (Exception $e) {
              $this->clickAndWait('link=INBOX');
              $lastExceptionMessage = $e->getMessage();
          }

          sleep(2);
      }
}