public function testVoid() { $request = $this->gateway->void(array('transactionReference' => 'abc123')); $this->assertInstanceOf('\\Omnipay\\PayPal\\Message\\RestVoidRequest', $request); $this->assertSame('abc123', $request->getTransactionReference()); $endPoint = $request->getEndpoint(); $this->assertSame('https://api.paypal.com/v1/payments/authorization/abc123/void', $endPoint); $data = $request->getData(); $this->assertEmpty($data); }