public function testClearPageCache()
{
$pc = new PageCache(__DIR__ . '/config_test.php');
$pc->setPath(vfsStream::url('tmpdir') . '/');
$this->assertFalse(file_exists($pc->getFilePath()), 'file exists');
$pc->init();
$output = 'Testing output for clearPageCache()';
echo $output;
ob_end_flush();
$this->assertTrue(file_exists($pc->getFilePath()), 'file does not exist');
$pc->clearPageCache();
$this->assertFalse(file_exists($pc->getFilePath()), 'file exists');
}
