DoubleTestCase.php

<?php

class DoubleTestCase implements PHPUnit_Framework_Test {
  protected $testCase;
  public function __construct(PHPUnit_Framework_TestCase $testCase) {
    $this->testCase = $testCase;
  }
  public function count() {
    return 2;
  }
  public function run(PHPUnit_Framework_TestResult $result = NULL) {
    $result
      ->startTest($this);
    $this->testCase
      ->runBare();
    $this->testCase
      ->runBare();
    $result
      ->endTest($this, 0);
  }

}