public function testCreateRelationWithParametersInRequest()
{
print "\n" . "Test: create relation X has narrower Y with parameter requests ";
$this->AssertEquals(201, self::$responseX->getStatus(), "\n Cannot perform the test because something is wrong with creating a test concept X: " . self::$responseX->getHeader('X-Error-Msg'));
$this->AssertEquals(201, self::$responseY->getStatus(), "\n Cannot perform the test because something is wrong with creating a test concept Y: " . self::$responseY->getHeader('X-Error-Msg'));
$response = RequestResponse::CreateRelationViaParametersRequest(self::$client, self::$aboutX, "http://www.w3.org/2004/02/skos/core#narrower", self::$aboutY);
$this->AssertEquals(200, $response->getStatus(), $response->getHeader('X-Error-Msg'));
// todo: add assertions
}
