public function testRunningTestsShouldLeaveNoTempFiles()
{
$countBefore = count($this->globTempDir('PT_*'));
$countCoverageBefore = count($this->globTempDir('CV_*'));
ob_start();
$this->runner->run();
ob_end_clean();
$countAfter = count($this->globTempDir('PT_*'));
$countCoverageAfter = count($this->globTempDir('CV_*'));
$this->assertEquals($countAfter, $countBefore, "Test Runner failed to clean up the 'PT_*' file in " . sys_get_temp_dir());
$this->assertEquals($countCoverageAfter, $countCoverageBefore, "Test Runner failed to clean up the 'CV_*' file in " . sys_get_temp_dir());
}