public function testParseHeader()
{
$Request = new Request(self::$_urlJSON . '&test=testSaveContentToFile&download=Y');
$Request->send();
$arHeader = $Request->getHeader();
$this->assertTrue(is_array($arHeader));
$this->assertArrayHasKey('CHARSET', $arHeader);
$this->assertArrayHasKey('COOKIES', $arHeader);
$this->assertEquals('UTF-8', $Request->getCharset());
$this->assertEquals('application/json', $Request->getContentType());
}